diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..c548071fa8c0f8d5b851b50e55160cab5989ccef
Binary files /dev/null and b/.DS_Store differ
diff --git a/Lets Literate.xcodeproj/project.pbxproj b/Lets Literate.xcodeproj/project.pbxproj
index bbdd3c72cfd4c5bfdad296f809e6f451dadb9eb3..8425f39295f5c5c50b3fec3d34c07b5fda36a3b7 100755
--- a/Lets Literate.xcodeproj/project.pbxproj	
+++ b/Lets Literate.xcodeproj/project.pbxproj	
@@ -35,6 +35,12 @@
 		A672B65627B1944D000A9007 /* ranking_passwords.png in Resources */ = {isa = PBXBuildFile; fileRef = A672B65427B1944D000A9007 /* ranking_passwords.png */; };
 		A672B65927B19455000A9007 /* types_of_usage.png in Resources */ = {isa = PBXBuildFile; fileRef = A672B65727B19455000A9007 /* types_of_usage.png */; };
 		A672B65A27B19455000A9007 /* good_idea_bad_idea.png in Resources */ = {isa = PBXBuildFile; fileRef = A672B65827B19455000A9007 /* good_idea_bad_idea.png */; };
+		A675CC9F27B80FCF003B3C58 /* bruteForce_mask_scan_four_stones.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CC9E27B80FCF003B3C58 /* bruteForce_mask_scan_four_stones.png */; };
+		A675CCA127B81174003B3C58 /* explore_disclaimer.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CCA027B81174003B3C58 /* explore_disclaimer.png */; };
+		A675CCA327B8149F003B3C58 /* bruteForce_btn_use.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CCA227B8149F003B3C58 /* bruteForce_btn_use.png */; };
+		A675CCA527B818B2003B3C58 /* explore_btn_menu_hamburger.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CCA427B818B2003B3C58 /* explore_btn_menu_hamburger.png */; };
+		A675CCA727B818C1003B3C58 /* explore_btn_reflect.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CCA627B818C1003B3C58 /* explore_btn_reflect.png */; };
+		A675CCA927B81A39003B3C58 /* reflect_slide.png in Resources */ = {isa = PBXBuildFile; fileRef = A675CCA827B81A39003B3C58 /* reflect_slide.png */; };
 		A680413627B5857000314DE6 /* inventory_not_collected.png in Resources */ = {isa = PBXBuildFile; fileRef = A680413527B5857000314DE6 /* inventory_not_collected.png */; };
 		A6A78BF427A9579800675532 /* Avatar.png in Resources */ = {isa = PBXBuildFile; fileRef = A6A78BF327A9579800675532 /* Avatar.png */; };
 		A6B94B2127B5557300861198 /* inventory_collected2.png in Resources */ = {isa = PBXBuildFile; fileRef = A6B94B2027B5557300861198 /* inventory_collected2.png */; };
@@ -44,6 +50,7 @@
 		A6C0A3A527AE95FD00146E18 /* bruteForce_mask_scan_single_stone.png in Resources */ = {isa = PBXBuildFile; fileRef = A6C0A3A427AE95FD00146E18 /* bruteForce_mask_scan_single_stone.png */; };
 		A6C0A3A727AEA8AC00146E18 /* station_passwords_scan_cube_plane.png in Resources */ = {isa = PBXBuildFile; fileRef = A6C0A3A627AEA8AC00146E18 /* station_passwords_scan_cube_plane.png */; };
 		A6C0A3AC27AED97200146E18 /* Task.swift in Sources */ = {isa = PBXBuildFile; fileRef = A6C0A3AB27AED97200146E18 /* Task.swift */; };
+		A6E5FCE927BABD7D008EF9E1 /* mainmenu_btn_ar.png in Resources */ = {isa = PBXBuildFile; fileRef = A6E5FCE827BABD7D008EF9E1 /* mainmenu_btn_ar.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -71,11 +78,18 @@
 		A664716D27A8399900417BF1 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		A664717627A83AB000417BF1 /* HomeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeViewController.swift; sourceTree = "<group>"; };
 		A664717A27A840E200417BF1 /* Letsliterate.rcproject */ = {isa = PBXFileReference; lastKnownFileType = file.rcproject; path = Letsliterate.rcproject; sourceTree = "<group>"; };
+		A6703EC427BB69130039D279 /* ar-mode.mp4 */ = {isa = PBXFileReference; lastKnownFileType = file; path = "ar-mode.mp4"; sourceTree = "<group>"; };
 		A672B65127B19391000A9007 /* ImagesViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImagesViewController.swift; sourceTree = "<group>"; };
 		A672B65327B1944C000A9007 /* strong_password.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = strong_password.png; sourceTree = "<group>"; };
 		A672B65427B1944D000A9007 /* ranking_passwords.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = ranking_passwords.png; sourceTree = "<group>"; };
 		A672B65727B19455000A9007 /* types_of_usage.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = types_of_usage.png; sourceTree = "<group>"; };
 		A672B65827B19455000A9007 /* good_idea_bad_idea.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = good_idea_bad_idea.png; sourceTree = "<group>"; };
+		A675CC9E27B80FCF003B3C58 /* bruteForce_mask_scan_four_stones.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = bruteForce_mask_scan_four_stones.png; sourceTree = "<group>"; };
+		A675CCA027B81174003B3C58 /* explore_disclaimer.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = explore_disclaimer.png; sourceTree = "<group>"; };
+		A675CCA227B8149F003B3C58 /* bruteForce_btn_use.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = bruteForce_btn_use.png; sourceTree = "<group>"; };
+		A675CCA427B818B2003B3C58 /* explore_btn_menu_hamburger.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = explore_btn_menu_hamburger.png; sourceTree = "<group>"; };
+		A675CCA627B818C1003B3C58 /* explore_btn_reflect.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = explore_btn_reflect.png; sourceTree = "<group>"; };
+		A675CCA827B81A39003B3C58 /* reflect_slide.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = reflect_slide.png; sourceTree = "<group>"; };
 		A680413527B5857000314DE6 /* inventory_not_collected.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = inventory_not_collected.png; sourceTree = "<group>"; };
 		A6A78BF327A9579800675532 /* Avatar.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = Avatar.png; sourceTree = "<group>"; };
 		A6B94B2027B5557300861198 /* inventory_collected2.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = inventory_collected2.png; sourceTree = "<group>"; };
@@ -85,6 +99,7 @@
 		A6C0A3A427AE95FD00146E18 /* bruteForce_mask_scan_single_stone.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = bruteForce_mask_scan_single_stone.png; sourceTree = "<group>"; };
 		A6C0A3A627AEA8AC00146E18 /* station_passwords_scan_cube_plane.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = station_passwords_scan_cube_plane.png; sourceTree = "<group>"; };
 		A6C0A3AB27AED97200146E18 /* Task.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Task.swift; sourceTree = "<group>"; };
+		A6E5FCE827BABD7D008EF9E1 /* mainmenu_btn_ar.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = mainmenu_btn_ar.png; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -133,14 +148,20 @@
 				A664717A27A840E200417BF1 /* Letsliterate.rcproject */,
 				A633CDC527A8757400450383 /* PasswordsIntro.m4v */,
 				A633CDC727A93E3500450383 /* mainmenu_background02.png */,
+				A6E5FCE827BABD7D008EF9E1 /* mainmenu_btn_ar.png */,
 				A633CDCB27A93ED600450383 /* mainmenu_btn_explore.png */,
 				A633CDC927A93ED500450383 /* mainmenu_btn_reset.png */,
 				A633CDCA27A93ED600450383 /* mainmenu_btn_tutorial.png */,
 				A6A78BF327A9579800675532 /* Avatar.png */,
 				A623508E27AAE8360030D490 /* mainmenu_background03.png */,
+				A675CCA027B81174003B3C58 /* explore_disclaimer.png */,
 				A63DDDAA27AC0607007CB857 /* explore_mask_scan.png */,
 				A63DDDAC27AC07F8007CB857 /* explore_btn_inventory.png */,
+				A675CCA427B818B2003B3C58 /* explore_btn_menu_hamburger.png */,
+				A675CCA627B818C1003B3C58 /* explore_btn_reflect.png */,
+				A675CCA227B8149F003B3C58 /* bruteForce_btn_use.png */,
 				A6C0A3A427AE95FD00146E18 /* bruteForce_mask_scan_single_stone.png */,
+				A675CC9E27B80FCF003B3C58 /* bruteForce_mask_scan_four_stones.png */,
 				A6C0A3A627AEA8AC00146E18 /* station_passwords_scan_cube_plane.png */,
 				A6005B8E27B03704009E2967 /* passwordsIntro.mp4 */,
 				A6005B8C27B03632009E2967 /* passwordsBruteForceIntro.m4v */,
@@ -153,6 +174,8 @@
 				A672B65727B19455000A9007 /* types_of_usage.png */,
 				A680413527B5857000314DE6 /* inventory_not_collected.png */,
 				A6B94B2027B5557300861198 /* inventory_collected2.png */,
+				A675CCA827B81A39003B3C58 /* reflect_slide.png */,
+				A6703EC427BB69130039D279 /* ar-mode.mp4 */,
 				A6B94B2227B55C4500861198 /* tutorial.mp4 */,
 			);
 			path = "Lets Literate";
@@ -223,6 +246,7 @@
 				A6005B8F27B03704009E2967 /* passwordsIntro.mp4 in Resources */,
 				A63DDDAD27AC07F8007CB857 /* explore_btn_inventory.png in Resources */,
 				A6B94B2327B55C4500861198 /* tutorial.mp4 in Resources */,
+				A675CCA327B8149F003B3C58 /* bruteForce_btn_use.png in Resources */,
 				A623508F27AAE8360030D490 /* mainmenu_background03.png in Resources */,
 				A633CDC627A8757400450383 /* PasswordsIntro.m4v in Resources */,
 				A664716B27A8399900417BF1 /* Assets.xcassets in Resources */,
@@ -232,15 +256,21 @@
 				A672B65627B1944D000A9007 /* ranking_passwords.png in Resources */,
 				A672B65A27B19455000A9007 /* good_idea_bad_idea.png in Resources */,
 				A6C0A3A527AE95FD00146E18 /* bruteForce_mask_scan_single_stone.png in Resources */,
+				A675CCA127B81174003B3C58 /* explore_disclaimer.png in Resources */,
 				A633CDCC27A93ED600450383 /* mainmenu_btn_reset.png in Resources */,
 				A6B94B2727B56D4900861198 /* passwordsOutro.mp4 in Resources */,
 				A672B65927B19455000A9007 /* types_of_usage.png in Resources */,
+				A675CCA527B818B2003B3C58 /* explore_btn_menu_hamburger.png in Resources */,
+				A6E5FCE927BABD7D008EF9E1 /* mainmenu_btn_ar.png in Resources */,
 				A633CDCE27A93ED600450383 /* mainmenu_btn_explore.png in Resources */,
 				A6B94B2127B5557300861198 /* inventory_collected2.png in Resources */,
 				A6B94B2527B56A5E00861198 /* passwordsBruteForceOutro.mp4 in Resources */,
+				A675CCA927B81A39003B3C58 /* reflect_slide.png in Resources */,
 				A6A78BF427A9579800675532 /* Avatar.png in Resources */,
+				A675CCA727B818C1003B3C58 /* explore_btn_reflect.png in Resources */,
 				A6005B8D27B03632009E2967 /* passwordsBruteForceIntro.m4v in Resources */,
 				A633CDC827A93E3500450383 /* mainmenu_background02.png in Resources */,
+				A675CC9F27B80FCF003B3C58 /* bruteForce_mask_scan_four_stones.png in Resources */,
 				A672B65527B1944D000A9007 /* strong_password.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/Lets Literate.xcodeproj/project.xcworkspace/xcuserdata/aljoscha.xcuserdatad/UserInterfaceState.xcuserstate b/Lets Literate.xcodeproj/project.xcworkspace/xcuserdata/aljoscha.xcuserdatad/UserInterfaceState.xcuserstate
index 1aa98d87c7a58786a26397f64ac939a641bd868b..469b0d94e168b1d8ab069188c38d0604b0229881 100755
Binary files a/Lets Literate.xcodeproj/project.xcworkspace/xcuserdata/aljoscha.xcuserdatad/UserInterfaceState.xcuserstate and b/Lets Literate.xcodeproj/project.xcworkspace/xcuserdata/aljoscha.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Lets Literate/.DS_Store b/Lets Literate/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..104787f1f0cbb53a898c89e43644431dd4c627bc
Binary files /dev/null and b/Lets Literate/.DS_Store differ
diff --git a/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/Contents.json b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/Contents.json
index a38527f5300710351d60dbb76f2f14d16cea5bd8..e7ba22e448af9fb43af60e076671e73a97f9610a 100755
--- a/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/Contents.json	
+++ b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/Contents.json	
@@ -9,6 +9,9 @@
     },
     {
       "filename" : "stones_wrong01.arreferenceimage"
+    },
+    {
+      "filename" : "stones_wrong02.arreferenceimage"
     }
   ]
 }
diff --git a/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Anker_falsch02.png b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Anker_falsch02.png
new file mode 100644
index 0000000000000000000000000000000000000000..704fd1e0ba5be84a2cab342695f3fe70cdbf0b5a
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Anker_falsch02.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..6704e29d7602945a5c36de2867535bf6e0efba51
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Complex Passwords.arresourcegroup/stones_wrong02.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "Anker_falsch02.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 50
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/Contents.json b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/Contents.json
index 1ef3cc15b03a3353c556057d782136fdd2f39967..99504371ecb09c12771f7b8bd4d45a2e5535807c 100755
--- a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/Contents.json	
+++ b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/Contents.json	
@@ -10,6 +10,9 @@
     {
       "filename" : "anchor_passwords_task1.arreferenceimage"
     },
+    {
+      "filename" : "anchor_passwords_task2_old.arreferenceimage"
+    },
     {
       "filename" : "anchor_passwords_task2.arreferenceimage"
     },
diff --git a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Contents.json
old mode 100755
new mode 100644
index 40310740e30c648acdfdba4969c8e5f2873fade8..42209b8a0398b4e18f1e0146e6aac4429e3d9ee3
--- a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Contents.json	
+++ b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Contents.json	
@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "anchor_passwords_task2.png",
+      "filename" : "Gelb_Scan.png",
       "idiom" : "universal"
     }
   ],
@@ -10,7 +10,6 @@
     "version" : 1
   },
   "properties" : {
-    "unit" : "centimeters",
     "width" : 8
   }
 }
diff --git a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Gelb_Scan.png b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Gelb_Scan.png
new file mode 100644
index 0000000000000000000000000000000000000000..2314463cac6cdef85f281fcdfa236b1a3ab67a90
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/Gelb_Scan.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2_old.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2_old.arreferenceimage/Contents.json
new file mode 100755
index 0000000000000000000000000000000000000000..40310740e30c648acdfdba4969c8e5f2873fade8
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2_old.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "anchor_passwords_task2.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 8
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/anchor_passwords_task2.png b/Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2_old.arreferenceimage/anchor_passwords_task2.png
similarity index 100%
rename from Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2.arreferenceimage/anchor_passwords_task2.png
rename to Lets Literate/Assets.xcassets/AR Passwords.arresourcegroup/anchor_passwords_task2_old.arreferenceimage/anchor_passwords_task2.png
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/Contents.json b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..b2854a7300668c621d9ccb008a22837e349a8a7a
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/Contents.json	
@@ -0,0 +1,20 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "resources" : [
+    {
+      "filename" : "stone_1_schwarz.arreferenceimage"
+    },
+    {
+      "filename" : "stone_Fragezeichen.arreferenceimage"
+    },
+    {
+      "filename" : "stone_H_schwarz.arreferenceimage"
+    },
+    {
+      "filename" : "stone_i_schwarz.arreferenceimage"
+    }
+  ]
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..67084282ad4bf6f76ecadef26b9f4427c604f394
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_1_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 4.1246612466124661
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/stone_1_schwarz.png b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/stone_1_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..6f64c2f12b34854eed09e88af9185d6be811fec9
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diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_Fragezeichen.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_Fragezeichen.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..4a52f3f1fd33d67902db796d2da35006b32c2acc
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_Fragezeichen.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_Fragezeichen.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 8
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_Fragezeichen.arreferenceimage/stone_Fragezeichen.png b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_Fragezeichen.arreferenceimage/stone_Fragezeichen.png
new file mode 100644
index 0000000000000000000000000000000000000000..0dc3df5caf94135a80d31899a4057a2cd0d2fa58
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diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..64590b8aaf060e40581da88fd62dd4c1612b083d
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_H_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 8
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..0b625d80bd70c227f04026278acac4aa8e4f9a43
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..d2d2e2bd38edf77fab2f582c2fa310c514a3ee37
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_i_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 5.4022491349480974
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..36c5b5424d27594a4ff1b713a3310254b816352a
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stones Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/Contents.json b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/Contents.json
index ebc3f3fbf45c954c618ee82fc57b59c463044d55..b42407ed4bfe79b23dd73f4b914720b260e167e1 100755
--- a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/Contents.json	
+++ b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/Contents.json	
@@ -15,6 +15,18 @@
     },
     {
       "filename" : "demo_stone_texture06.arreferenceimage"
+    },
+    {
+      "filename" : "stone_1_schwarz.arreferenceimage"
+    },
+    {
+      "filename" : "stone_Fragezeichen_schwarz.arreferenceimage"
+    },
+    {
+      "filename" : "stone_H_schwarz.arreferenceimage"
+    },
+    {
+      "filename" : "stone_i_schwarz.arreferenceimage"
     }
   ]
 }
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..67084282ad4bf6f76ecadef26b9f4427c604f394
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_1_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 4.1246612466124661
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/stone_1_schwarz.png b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/stone_1_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..6f64c2f12b34854eed09e88af9185d6be811fec9
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_1_schwarz.arreferenceimage/stone_1_schwarz.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..0573ac7c1d14288fe6712f5917d4343f346c8afb
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_Fragezeichen_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 8
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/stone_Fragezeichen_schwarz.png b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/stone_Fragezeichen_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..0dc3df5caf94135a80d31899a4057a2cd0d2fa58
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_Fragezeichen_schwarz.arreferenceimage/stone_Fragezeichen_schwarz.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..cdba5e0284cc09d9749bbbf86b16d3d10b475fab
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_H_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 0
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..0b625d80bd70c227f04026278acac4aa8e4f9a43
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_H_schwarz.arreferenceimage/stone_H_schwarz.png differ
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json
new file mode 100644
index 0000000000000000000000000000000000000000..4ab5a7be2d3d6197be85980a25c8c138cc5436e2
--- /dev/null
+++ b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/Contents.json	
@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "stone_i_schwarz.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "unit" : "centimeters",
+    "width" : 8.6435986159169556
+  }
+}
diff --git a/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png
new file mode 100644
index 0000000000000000000000000000000000000000..36c5b5424d27594a4ff1b713a3310254b816352a
Binary files /dev/null and b/Lets Literate/Assets.xcassets/AR Stonetextures Demo.arresourcegroup/stone_i_schwarz.arreferenceimage/stone_i_schwarz.png differ
diff --git a/Lets Literate/Base.lproj/Main.storyboard b/Lets Literate/Base.lproj/Main.storyboard
index 03d99e5d3a4aa4a98dad5aa14c4cbbb73f471a8b..b3e04d2f0bbccf1312226a55e2d17ad20583a382 100755
--- a/Lets Literate/Base.lproj/Main.storyboard	
+++ b/Lets Literate/Base.lproj/Main.storyboard	
@@ -4,7 +4,6 @@
     <dependencies>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19519"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -50,6 +49,15 @@
                                     <action selector="btnResetGame:" destination="181-DP-seY" eventType="touchUpInside" id="Vzc-53-VU3"/>
                                 </connections>
                             </button>
+                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ye2-ib-5ya">
+                                <rect key="frame" x="318" y="39" width="36" height="26"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <state key="normal" title="Button"/>
+                                <buttonConfiguration key="configuration" style="plain" image="mainmenu_btn_ar.png"/>
+                                <connections>
+                                    <action selector="btnShowAR:" destination="181-DP-seY" eventType="touchUpInside" id="ZKp-LQ-mxu"/>
+                                </connections>
+                            </button>
                         </subviews>
                         <viewLayoutGuide key="safeArea" id="O3L-ny-7bN"/>
                         <constraints>
@@ -89,7 +97,7 @@
                             </imageView>
                         </subviews>
                         <viewLayoutGuide key="safeArea" id="qAL-el-en3"/>
-                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <color key="backgroundColor" red="0.8481633663" green="0.99272233249999997" blue="0.96470469240000001" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
                     </view>
                     <connections>
                         <outlet property="tasksImages" destination="LwO-ar-Tgb" id="3P6-1p-pIT"/>
@@ -116,7 +124,7 @@
                                 <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             </imageView>
                             <button opaque="NO" contentMode="scaleAspectFit" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="q3d-yX-5Zb">
-                                <rect key="frame" x="20" y="773" width="27" height="17"/>
+                                <rect key="frame" x="20" y="608" width="27" height="17"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <state key="normal" title="Button"/>
                                 <buttonConfiguration key="configuration" style="plain" image="explore_btn_inventory.png" imagePlacement="top"/>
@@ -125,26 +133,37 @@
                                 </connections>
                             </button>
                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="xia-PE-98c">
-                                <rect key="frame" x="24" y="44" width="99" height="31"/>
+                                <rect key="frame" x="24" y="44" width="23" height="31"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <state key="normal" title="Button"/>
-                                <buttonConfiguration key="configuration" style="plain" title="Menu"/>
+                                <buttonConfiguration key="configuration" style="plain" image="explore_btn_menu_hamburger.png"/>
                                 <connections>
                                     <action selector="btnMenu:" destination="i7I-eI-Nkw" eventType="touchUpInside" id="3Nh-CY-n6Z"/>
                                 </connections>
                             </button>
                             <label hidden="YES" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="This is the &quot;A&quot;." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Wyk-sH-5t1">
-                                <rect key="frame" x="24" y="570" width="350" height="61"/>
+                                <rect key="frame" x="24" y="480" width="350" height="61"/>
                                 <autoresizingMask key="autoresizingMask"/>
-                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                                <color key="textColor" red="0.8481633663" green="0.99272233249999997" blue="0.96470469240000001" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="21"/>
+                                <color key="textColor" red="0.99999600649999998" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
+                            <button hidden="YES" opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="FlW-aR-DhF">
+                                <rect key="frame" x="119" y="495" width="152" height="31"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <state key="normal" title="Button"/>
+                                <buttonConfiguration key="configuration" style="plain" image="explore_btn_reflect.png"/>
+                                <connections>
+                                    <action selector="btnReflectAction:" destination="i7I-eI-Nkw" eventType="touchUpInside" id="3OA-l1-W92"/>
+                                </connections>
+                            </button>
                             <button hidden="YES" opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="PLd-VN-hME">
-                                <rect key="frame" x="125" y="639" width="130" height="31"/>
+                                <rect key="frame" x="130" y="549" width="130" height="31"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <state key="normal" title="Button"/>
-                                <buttonConfiguration key="configuration" style="plain" title="Use"/>
+                                <buttonConfiguration key="configuration" style="plain" image="bruteForce_btn_use.png">
+                                    <preferredSymbolConfiguration key="preferredSymbolConfigurationForImage"/>
+                                </buttonConfiguration>
                                 <connections>
                                     <action selector="btnUseAction:" destination="i7I-eI-Nkw" eventType="touchUpInside" id="cHk-Yg-gQq"/>
                                 </connections>
@@ -153,6 +172,7 @@
                         <viewLayoutGuide key="safeArea" id="1G2-d4-lGi"/>
                     </view>
                     <connections>
+                        <outlet property="btnReflect" destination="FlW-aR-DhF" id="4UG-43-eIo"/>
                         <outlet property="btnUse" destination="PLd-VN-hME" id="RlJ-3a-0zv"/>
                         <outlet property="imageScanMask" destination="Hg8-ZO-JZR" id="VlB-tW-gp3"/>
                         <outlet property="labelDecoded" destination="Wyk-sH-5t1" id="t0B-2y-6ck"/>
@@ -173,7 +193,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="390" height="790"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="inventory_collected2.png" translatesAutoresizingMaskIntoConstraints="NO" id="wRa-6t-xft">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="inventory_not_collected.png" translatesAutoresizingMaskIntoConstraints="NO" id="wRa-6t-xft">
                                 <rect key="frame" x="16" y="23" width="358" height="650"/>
                             </imageView>
                         </subviews>
@@ -196,15 +216,16 @@
         </scene>
     </scenes>
     <resources>
+        <image name="bruteForce_btn_use.png" width="16.319999694824219" height="13.439999580383301"/>
         <image name="explore_btn_inventory.png" width="3" height="3"/>
+        <image name="explore_btn_menu_hamburger.png" width="5.7600002288818359" height="5.7600002288818359"/>
+        <image name="explore_btn_reflect.png" width="82.319999694824219" height="13.439999580383301"/>
         <image name="explore_mask_scan.png" width="375" height="667"/>
-        <image name="inventory_collected2.png" width="362" height="656"/>
+        <image name="inventory_not_collected.png" width="362" height="656"/>
         <image name="mainmenu_background03.png" width="512" height="911"/>
+        <image name="mainmenu_btn_ar.png" width="11.520000457763672" height="11.760000228881836"/>
         <image name="mainmenu_btn_explore.png" width="375" height="71"/>
         <image name="mainmenu_btn_reset.png" width="61" height="42"/>
         <image name="mainmenu_btn_tutorial.png" width="375" height="71"/>
-        <systemColor name="systemBackgroundColor">
-            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-        </systemColor>
     </resources>
 </document>
diff --git a/Lets Literate/ExploreViewController.swift b/Lets Literate/ExploreViewController.swift
index 7ae486cd0d52d4ebf0e287ba16b409daf3bab36f..30d01c5e7264e08ee69a04e04df1f233c3017716 100755
--- a/Lets Literate/ExploreViewController.swift	
+++ b/Lets Literate/ExploreViewController.swift	
@@ -20,20 +20,31 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
     private var _pause : Bool = false
     private var _taskImage : String = "ranking_passwords.png"
     private var _inTask1 : Bool = false
+    private var _disclaimer_showed = false
     
     private var subTask = 0
     private var task11_stone_to_use = ""
     private var task12_stones_to_use = ""
     
+    
+    @IBOutlet weak var btnReflect: UIButton!
+    
+    @IBAction func btnReflectAction(_ sender: Any) {
+        self._taskImage = "reflect_slide.png"
+        performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
+    }
+    
     @IBOutlet weak var btnUse: UIButton!
     @IBAction func btnUseAction(_ sender: Any) {
         if Game.isInTask1() == true && subTask == 1 {
             print("Task1.1: Use-Button was tapped.")
             if task11_stone_to_use == "1" {
                 print("Task1.1: correct stone selected")
+                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 self._playPasswordsTaskBruteForceAttackFrom1To3Chars()
                 Game.setMode(mode: .task1)
                 subTask = 2
+                imageScanMask.image = UIImage(named:"bruteForce_mask_scan_four_stones.png")
                 self.labelDecoded.isHidden = true
                 self.btnUse.isEnabled = false
                 self.btnUse.isHidden = true
@@ -41,17 +52,19 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 print("Settings: Station: " + Game.getActStation().toString() + ", mode:" + Game.getMode().toString() + ", subTask=" + String(subTask))
             } else {
                 print("Task1.1: wrong stone selected")
+                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 subTask = 1
                 self.labelDecoded.text = "This was the wrong answer."
                 //self.labelDecoded.isHidden = true
                 self.btnUse.isHidden = true
-                rkView.session.run(configurationPasswordsTask2)
+                rkView.session.run(configurationPasswordsTask1)
             }
         }
         if Game.isInTask1() == true && subTask == 2 {
             print("Task1.2: Use-Button was tapped.")
             if task12_stones_to_use == "Hi1?" {
                 print("Task1.2: correct stones selected")
+                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 self._playPasswordsTaskBruteForceAttackOutro()
                 subTask = 0
                 self.labelDecoded.isHidden = true
@@ -64,6 +77,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 rkView.session.run(configurationPasswords)
             } else {
                 print("Task1.2: wrong stones selected")
+                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 subTask = 2
                 self.labelDecoded.text = "This was the wrong answer."
                 //self.labelDecoded.isHidden = true
@@ -132,6 +146,20 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
         Game.setMode(mode: .exploration)
     }
     
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        print("viewDidAppear(_:) called")
+        if self._disclaimer_showed == false {
+            self._taskImage = "explore_disclaimer.png"
+            performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
+            self._disclaimer_showed = true
+        }
+    }
+    
+    /*
+     self._taskImage = "explore_disclaimer.png"
+     performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
+     */
     
     /*
      Do something if we found an anchor, depending on the state
@@ -146,6 +174,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
             }
             if let imageName = imageAnchor.name, imageName  == "anchor_passwords_start" {
                 print("Start of Station Passwords") //debug
+                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 self._playIntroStationPasswords()
                 //delete the anchor
                 rkView.session.pause()
@@ -172,8 +201,8 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 print("inTask1: no imageAnchor found")
                 return
             }
-            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture02" {
-                print("Station Passwords - Task 1.1: demo_stone_texture02 anchor found")
+            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture05" { //"demo_stone_texture02" - "stone_H_schwarz"
+                print("Station Passwords - Task 1.1: stone for H anchor found")
                 rkView.session.remove(anchor: imageAnchor)
                 rkView.session.pause()
                 self.labelDecoded.text = "This is the 'H'."
@@ -182,8 +211,8 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 self.task11_stone_to_use = "H"
                 return
             }
-            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture03" {
-                print("Station Passwords - Task 1.1: demo_stone_texture02 anchor found")
+            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture02" { //"demo_stone_texture03" - "stone_i_schwarz"
+                print("Station Passwords - Task 1.1: stone for i anchor found")
                 rkView.session.remove(anchor: imageAnchor)
                 rkView.session.pause()
                 self.labelDecoded.text = "This is the 'i'"
@@ -192,8 +221,8 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 self.task11_stone_to_use = "i"
                 return
             }
-            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture05" {
-                print("Station Passwords - Task 1.1: demo_stone_texture02 anchor found")
+            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture06" { //"demo_stone_texture05" - "stone_1_schwarz"
+                print("Station Passwords - Task 1.1: stone for One anchor found")
                 rkView.session.remove(anchor: imageAnchor)
                 rkView.session.pause()
                 self.labelDecoded.text = "This is the '1'"
@@ -202,8 +231,8 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 self.task11_stone_to_use = "1"
                 return
             }
-            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture06" {
-                print("Station Passwords - Task 1.1: demo_stone_texture02 anchor found")
+            if let imageName = imageAnchor.name, imageName  == "demo_stone_texture03" { //"demo_stone_texture06" - "stone_Fragezeichen_schwarz" //"demo_stone_texture06"
+                print("Station Passwords - Task 1.1: stone for questionmark anchor found")
                 rkView.session.remove(anchor: imageAnchor)
                 rkView.session.pause()
                 self.labelDecoded.text = "This is the '?'"
@@ -259,6 +288,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 
                 if Game.getStations()[0].getTasks()[0].isSolved() == false {
                     print("Start of Task 1 of Station Passwords")
+                    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                 
                     self._playPasswordsTaskBruteForceAttackIntro()
                     //new configuration, run session again
@@ -299,6 +329,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 
                 if Game.getStations()[0].getTasks()[1].isSolved() == false {
                     print("Start of Task 2 of Station Passwords")
+                    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                     self._taskImage = "ranking_passwords.png"
                     performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
                     print("Show information ... we make just a sleep for 5 seconds")
@@ -336,6 +367,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 
                 if Game.getStations()[0].getTasks()[2].isSolved() == false {
                     print("Start of Task 3 of Station Passwords")
+                    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                     self._taskImage = "types_of_usage.png"
                     performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
                     print("Show information ... we make just a sleep for 5 seconds")
@@ -373,6 +405,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 
                 if Game.getStations()[0].getTasks()[3].isSolved() == false {
                     print("Start of Task 4 of Station Passwords")
+                    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                     self._taskImage = "good_idea_bad_idea.png"
                     performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
                     print("Show information ... we make just a sleep for 5 seconds")
@@ -415,7 +448,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                         }
                     alertController.addAction(okayAction)
                     self.present(alertController, animated: true, completion: nil)
-                    
+                    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                     rkView.session.remove(anchor: imageAnchor)
                     print("Removed anchor: anchor_passwords_end")
                     imageScanMask.image = UIImage(named:"station_passwords_scan_cube_plane.png")
@@ -431,6 +464,7 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                 
                     if Game.getStations()[0].getTasks()[4].isSolved() == false {
                         print("Start of final Task 5 of Station Passwords")
+                        AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                         self._taskImage = "strong_password.png"
                         performSegue(withIdentifier: "fromExplore2ImagesSegue", sender: self)
                         print("Show information ... we make just a sleep for 5 seconds")
@@ -445,14 +479,17 @@ class ExploreViewController: UIViewController, ARSessionDelegate, UIAlertViewDel
                         print("Set up new AR configuration: Find a Cube")
                         rkView.session.run(configurationPasswords)
                         print("Final task 5 done, back to explore mode")
-                        let timer2 = Timer.scheduledTimer(withTimeInterval: 20.0, repeats: false) {
+                        let timer2 = Timer.scheduledTimer(withTimeInterval: 15.0, repeats: false) {
                             timer in
+                                AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
                                 self._playPasswordsOutro()
+                                self.btnReflect.isHidden = false
                         }
                         Game.setMode(mode: .exploration)
                         Game.setActStation(station: .none)
+                        self.imageScanMask.isHidden = true
                     } else { // this should never happen
-                        print("Taks 5 was already solved")
+                        print("Task 5 was already solved")
                         rkView.session.pause()
                         let alertController = UIAlertController(title: "Information", message: "You've already passed this task and the whole station. Scan another cube to progress.", preferredStyle: .alert)
                         // Initialize Actions
diff --git a/Lets Literate/Game.swift b/Lets Literate/Game.swift
index b3a9f07392e40859f576694d4bc295375731089e..d2cfcb8420eedabf95e69fc291d646796793c5d8 100755
--- a/Lets Literate/Game.swift	
+++ b/Lets Literate/Game.swift	
@@ -172,26 +172,31 @@ class Game {
         let task1 = Task()
         task1.setName(name: "Brute Force Attack")
         task1.setDescription(description: "Ein leichtes und ein schwereres Passwort knacken.")
+        task1.setSolved(solved: false)
         passwords.addTask(task: task1)
         
         let task2 = Task()
         task2.setName(name: "Ranking Passwords")
         task2.setDescription(description: "Verschieden komplexe Passwort nach ihrer Sicherheit in eine Reihenfolge bringen.")
+        task2.setSolved(solved: false)
         passwords.addTask(task: task2)
         
         let task3 = Task()
         task3.setName(name: "Types of Usage")
         task3.setDescription(description: "Nutzungsarten: Gemeinsam genutztes Passwort, persönliches Passwort, Einmal-Passwort")
+        task3.setSolved(solved: false)
         passwords.addTask(task: task3)
         
         let task4 = Task()
         task4.setName(name: "Good Idea - Bad Idea")
         task4.setDescription(description: "gute und schlechte Aufbewahrungsmöglichkeiten von Passwörtern - Post-it unter der Tastatur, als Notiz im Handy, als Klartextdatei auf dem Computer, Passwortmanager")
+        task4.setSolved(solved: false)
         passwords.addTask(task: task4)
         
         let task5 = Task()
         task5.setName(name: "Create a Safe Password")
         task5.setDescription(description: "Ein sicheres Passwort erstellen. Rekapituliere das bisher Gelernte und nutze es. Erhalte ein entsprechendes Collectable.")
+        task5.setSolved(solved: false)
         task5.setFinal(isFinal: true)
         passwords.addTask(task: task5)
         
@@ -204,33 +209,21 @@ class Game {
         passwords.setSolved(solved: false)
         
         let task1 = Task()
-        //task1.setName(name: "Brute Force Attack")
-        //task1.setDescription(description: "Ein leichtes und ein schwereres Passwort knacken.")
         passwords.addTask(task: task1)
         
         let task2 = Task()
-        //task2.setName(name: "Ranking Passwords")
-        //task2.setDescription(description: "Verschieden komplexe Passwort nach ihrer Sicherheit in eine Reihenfolge bringen.")
         passwords.addTask(task: task2)
         
         let task3 = Task()
-        //task3.setName(name: "Types of Usage")
-        //task3.setDescription(description: "Nutzungsarten: Gemeinsam genutztes Passwort, persönliches Passwort, Einmal-Passwort")
         passwords.addTask(task: task3)
         
         let task4 = Task()
-        //task4.setName(name: "Alternatives to Passwords")
-        //task4.setDescription(description: "2-Faktor-Authentifizerung - Legen eines geforderten Musters mit Legesteinen")
         passwords.addTask(task: task4)
         
         let task5 = Task()
-        //task5.setName(name: "Good Idea - Bad Idea")
-        //task5.setDescription(description: "gute und schlechte Aufbewahrungsmöglichkeiten von Passwörtern - Post-it unter der Tastatur, als Notiz im Handy, als Klartextdatei auf dem Computer, Passwortmanager")
         passwords.addTask(task: task5)
         
         let task6 = Task()
-        //task6.setName(name: "Create a Safe Password")
-        //task6.setDescription(description: "Ein sicheres Passwort erstellen. Rekapituliere das bisher Gelernte und nutze es. Erhalte ein entsprechendes Collectable.")
         task6.setFinal(isFinal: true)
         passwords.addTask(task: task6)
         
diff --git a/Lets Literate/HomeViewController.swift b/Lets Literate/HomeViewController.swift
index f64433d627e3b52f8f3c7daff4635cbcf650d603..044de03f47a0902c328ccb216aa45922943636e7 100755
--- a/Lets Literate/HomeViewController.swift	
+++ b/Lets Literate/HomeViewController.swift	
@@ -14,11 +14,22 @@ class HomeViewController: UIViewController, UIAlertViewDelegate  {
     override func viewDidLoad() {
         super.viewDidLoad()
         Game.resetGame()
-        //let mainMenuBackgroundImagePath = Bundle.main.path(forResource: "mainmenu_background02", ofType: "png")!
-        //print(mainMenuBackgroundImagePath)
-        //self.view.backgroundColor = UIColor(patternImage: UIImage(named: "mainmenu_background02.png")!)
-        //self.view.backgroundColor = UIColor(patternImage: UIImage(named: mainMenuBackgroundImagePath)!)
-        // Do any additional setup after loading the view.
+    }
+    
+    @IBAction func btnShowAR(_ sender: Any) {
+        let url = URL(fileURLWithPath: Bundle.main.path(forResource: "ar-mode", ofType: "mp4")!)
+
+        // Create an AVPlayer, passing it the HTTP Live Streaming URL.
+        let player = AVPlayer(url: url)
+
+        // Create a new AVPlayerViewController and pass it a reference to the player.
+        let controller = AVPlayerViewController()
+        controller.player = player
+
+        // Modally present the player and call the player's play() method when complete.
+        present(controller, animated: true) {
+            player.play()
+        }
     }
     
     @IBAction func btnResetGame(_ sender: Any) {
@@ -37,6 +48,7 @@ class HomeViewController: UIViewController, UIAlertViewDelegate  {
     
     @IBAction func btnStartExploration(_ sender: Any) {
         Game.setMode(mode: .exploration)
+        AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)
         performSegue(withIdentifier: "fromHome2ExploreSegue", sender: self)
     }
     
@@ -55,14 +67,5 @@ class HomeViewController: UIViewController, UIAlertViewDelegate  {
             player.play()
         }
     }
-    /*
-    // MARK: - Navigation
-
-    // In a storyboard-based application, you will often want to do a little preparation before navigation
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        // Get the new view controller using segue.destination.
-        // Pass the selected object to the new view controller.
-    }
-    */
 
 }
diff --git a/Lets Literate/ar-mode.mp4 b/Lets Literate/ar-mode.mp4
new file mode 100644
index 0000000000000000000000000000000000000000..df1f848027a2a1ef456e271ae76d5b6673e1c065
Binary files /dev/null and b/Lets Literate/ar-mode.mp4 differ
diff --git a/Lets Literate/bruteForce_btn_use.png b/Lets Literate/bruteForce_btn_use.png
new file mode 100755
index 0000000000000000000000000000000000000000..1496782d9d413d6fb73920b84b1a1edec8ee55ca
Binary files /dev/null and b/Lets Literate/bruteForce_btn_use.png differ
diff --git a/Lets Literate/bruteForce_mask_scan_four_stones.png b/Lets Literate/bruteForce_mask_scan_four_stones.png
new file mode 100755
index 0000000000000000000000000000000000000000..a0bffa6b99eb420758c51780b9082cb08c292bc2
Binary files /dev/null and b/Lets Literate/bruteForce_mask_scan_four_stones.png differ
diff --git a/Lets Literate/explore_btn_menu_hamburger.png b/Lets Literate/explore_btn_menu_hamburger.png
new file mode 100755
index 0000000000000000000000000000000000000000..733ccf0425b08c00cda6e1efc8ea19512bede95f
Binary files /dev/null and b/Lets Literate/explore_btn_menu_hamburger.png differ
diff --git a/Lets Literate/explore_btn_reflect.png b/Lets Literate/explore_btn_reflect.png
new file mode 100755
index 0000000000000000000000000000000000000000..e120ee1e4cee094868cca49777d8793e4f8a700c
Binary files /dev/null and b/Lets Literate/explore_btn_reflect.png differ
diff --git a/Lets Literate/explore_disclaimer.png b/Lets Literate/explore_disclaimer.png
new file mode 100755
index 0000000000000000000000000000000000000000..1b2bd4c73417599d0b0f3da15fc7289726c52afc
Binary files /dev/null and b/Lets Literate/explore_disclaimer.png differ
diff --git a/Lets Literate/mainmenu_btn_ar.png b/Lets Literate/mainmenu_btn_ar.png
new file mode 100644
index 0000000000000000000000000000000000000000..40635f0110f4415653f25d6cddf923af53058059
Binary files /dev/null and b/Lets Literate/mainmenu_btn_ar.png differ
diff --git a/Lets Literate/reflect_slide.png b/Lets Literate/reflect_slide.png
new file mode 100755
index 0000000000000000000000000000000000000000..4f368bdd258aead02df6ba41707a035437c6dd2c
Binary files /dev/null and b/Lets Literate/reflect_slide.png differ