diff --git a/.DS_Store b/.DS_Store
index 43a1384..0ce457d 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/APK/Paradox_Vr_Konzept_Demo.apk b/APK/Paradox_Vr_Konzept_Demo.apk
new file mode 100644
index 0000000..3065b5e
Binary files /dev/null and b/APK/Paradox_Vr_Konzept_Demo.apk differ
diff --git a/assets/Midevel/ambien_sound.gd b/assets/Midevel/ambien_sound.gd
new file mode 100644
index 0000000..0b5f74f
--- /dev/null
+++ b/assets/Midevel/ambien_sound.gd
@@ -0,0 +1,4 @@
+extends AudioStreamPlayer
+
+func _ready() -> void:
+	play()
diff --git a/assets/Midevel/ambien_sound.gd.uid b/assets/Midevel/ambien_sound.gd.uid
new file mode 100644
index 0000000..810ae53
--- /dev/null
+++ b/assets/Midevel/ambien_sound.gd.uid
@@ -0,0 +1 @@
+uid://j6f2ax1fwds7
diff --git a/assets/Midevel/room_1.tscn b/assets/Midevel/room_1.tscn
index 48deefa..38609ab 100644
--- a/assets/Midevel/room_1.tscn
+++ b/assets/Midevel/room_1.tscn
@@ -1,12 +1,14 @@
-[gd_scene load_steps=29 format=3 uid="uid://dtcuaadd2wrys"]
+[gd_scene load_steps=31 format=3 uid="uid://dtcuaadd2wrys"]
 
 [ext_resource type="PackedScene" uid="uid://d3foohm3asqek" path="res://assets/Space/zone_base.tscn" id="1_hrfef"]
 [ext_resource type="PackedScene" uid="uid://bidp3paljsym7" path="res://import_scene/escape-room-szene-room.tscn" id="2_gg573"]
 [ext_resource type="Animation" uid="uid://nq3xh1olqipq" path="res://addons/godot-xr-tools/hands/animations/left/Grip Shaft.res" id="3_qj6my"]
+[ext_resource type="Script" uid="uid://j6f2ax1fwds7" path="res://assets/Midevel/ambien_sound.gd" id="3_umk1a"]
 [ext_resource type="Script" uid="uid://dvobm6vcfnqe8" path="res://addons/godot-xr-tools/hands/poses/hand_pose_settings.gd" id="4_vvkbb"]
 [ext_resource type="Animation" uid="uid://c8dghcftg1thx" path="res://addons/godot-xr-tools/hands/animations/right/Grip Shaft.res" id="5_pd4dd"]
 [ext_resource type="Script" uid="uid://btjwoudtrpk18" path="res://assets/Midevel/door.gd" id="6_vvkbb"]
 [ext_resource type="PackedScene" uid="uid://33ohbl8cmtth" path="res://assets/Midevel/teleport_area.tscn" id="7_cqmfl"]
+[ext_resource type="AudioStream" uid="uid://cdv54aw8os7o6" path="res://music/dungeon-air-6983.mp3" id="8_cqmfl"]
 
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_hrfef"]
 sky_top_color = Color(0.13930686, 0.16966733, 0.21217196, 1)
@@ -129,16 +131,21 @@ size = Vector3(0.8486328, 1.524292, 2.895996)
 
 [node name="Room1" instance=ExtResource("1_hrfef")]
 
-[node name="WorldEnvironment" type="WorldEnvironment" parent="." index="0"]
+[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="." index="0"]
+stream = ExtResource("8_cqmfl")
+volume_db = -12.283
+script = ExtResource("3_umk1a")
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="." index="1"]
 environment = SubResource("Environment_2nb8s")
 
-[node name="DirectionalLight3D" type="DirectionalLight3D" parent="." index="1"]
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="." index="2"]
 transform = Transform3D(-0.8660254, -0.43301278, 0.25, 0, 0.49999997, 0.86602545, -0.50000006, 0.75, -0.43301266, 0, 0, 0)
 light_color = Color(0.4584386, 0.8133019, 0.9480516, 1)
 light_energy = 0.258
 shadow_enabled = true
 
-[node name="XROrigin3D" parent="." index="2"]
+[node name="XROrigin3D" parent="." index="3"]
 transform = Transform3D(-0.99998224, 0, -0.0059689283, 0, 1, 0, 0.0059689283, 0, -0.99998224, 3.7627926, 0.3416624, -0.92848015)
 
 [node name="XRCamera3D" parent="XROrigin3D" index="0"]
@@ -153,7 +160,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.02, -0.05, 0)
 [node name="FunctionPickup" parent="XROrigin3D/RightHand" index="3"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.02, -0.05, 0.1)
 
-[node name="Node3D" parent="." index="3" instance=ExtResource("2_gg573")]
+[node name="Node3D" parent="." index="4" instance=ExtResource("2_gg573")]
 
 [node name="GrabPointHandLeft" parent="Node3D/Interactions/CubeTable/RiddleCube" index="2"]
 hand_pose = SubResource("Resource_cqmfl")
@@ -234,7 +241,7 @@ font_size = 11
 outline_size = 3
 horizontal_alignment = 1
 
-[node name="StaticBody3D" type="StaticBody3D" parent="." index="4"]
+[node name="StaticBody3D" type="StaticBody3D" parent="." index="5"]
 transform = Transform3D(0.9999648, 0, -0.008394934, 0, 1, 0, 0.008394934, 0, 0.9999648, -7.767475, 1.791698, -5.2399845)
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="StaticBody3D" index="0"]
@@ -309,10 +316,10 @@ text = "⁓"
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.075683594, 0.262146, -0.51770544)
 shape = SubResource("BoxShape3D_is5ow")
 
-[node name="OmniLight3D" type="OmniLight3D" parent="." index="5"]
+[node name="OmniLight3D" type="OmniLight3D" parent="." index="6"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.2770333, 1.687937, 9.864775)
 
-[node name="TeleportArea" parent="." index="6" instance=ExtResource("7_cqmfl")]
+[node name="TeleportArea" parent="." index="7" instance=ExtResource("7_cqmfl")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 1.5508242, -0.02803725, 10.182404)
 target_szene = "uid://bni72mm8xa0fp"
 
diff --git a/assets/Space/Space-Room.tscn b/assets/Space/Space-Room.tscn
index 6e4a51c..1fde90b 100644
--- a/assets/Space/Space-Room.tscn
+++ b/assets/Space/Space-Room.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=46 format=3 uid="uid://bcvysxds78qa2"]
+[gd_scene load_steps=48 format=3 uid="uid://bcvysxds78qa2"]
 
 [ext_resource type="Script" uid="uid://177gygw2xqqu" path="res://addons/godot-xr-tools/staging/scene_base.gd" id="1_jge5j"]
 [ext_resource type="PackedScene" uid="uid://bvuu54l2us43f" path="res://assets/Space/SpaceRoom.tscn" id="2_uidku"]
@@ -18,6 +18,8 @@
 [ext_resource type="PackedScene" uid="uid://cgue6x2lkbduf" path="res://import_scene/book_holder.tscn" id="16_1pnxa"]
 [ext_resource type="Script" uid="uid://dun34x3n2cqnm" path="res://assets/Space/portal.gd" id="17_csc38"]
 [ext_resource type="PackedScene" uid="uid://33ohbl8cmtth" path="res://assets/Midevel/teleport_area.tscn" id="18_ovbjo"]
+[ext_resource type="AudioStream" uid="uid://csddkjcj5t88t" path="res://music/space-ambient-351305.mp3" id="19_ovbjo"]
+[ext_resource type="Script" uid="uid://cbcdmdtjufipo" path="res://assets/Space/audio_stream_player.gd" id="20_0u6ep"]
 
 [sub_resource type="PhysicalSkyMaterial" id="PhysicalSkyMaterial_5gj4w"]
 rayleigh_coefficient = 1.2
@@ -204,7 +206,7 @@ size = Vector3(1, 0.3249634, 0.5)
 transform = Transform3D(0.95735484, 0, 0.28891483, 0, 1, 0, -0.28891483, 0, 0.95735484, 10.854718, 0.54382396, 3.5149474)
 
 [node name="CubeNumber" parent="CubeTable2/RiddleCube" index="1"]
-cubeNumber = "⁓ "
+cubeNumber = "⁓"
 
 [node name="GrabPointHandLeft" parent="CubeTable2/RiddleCube" index="2"]
 hand_pose = SubResource("Resource_o4poo")
@@ -297,8 +299,8 @@ hand_pose = SubResource("Resource_34578")
 hand_pose = SubResource("Resource_v8jd1")
 
 [node name="RiddelCubeBoard" parent="CubeTable2" instance=ExtResource("7_wti6a")]
-transform = Transform3D(-0.8990999, 0, 0.43774337, 0, 1, 0, -0.43774337, 0, -0.8990999, 18.105413, 1.0031731, 11.166063)
-correct_solution = "21538764"
+transform = Transform3D(-0.8990999, 0, 0.43774337, 0, 1, 0, -0.43774337, 0, -0.8990999, 18.105413, 1.428241, 11.166063)
+correct_solution = "ϕ⁓⨙▧§⁖⫔X"
 
 [node name="StaticBody3D" parent="CubeTable2/RiddelCubeBoard" index="0"]
 transform = Transform3D(1, 0, -3.5527137e-15, 0, 1, 0, 3.5527137e-15, 0, 1, 0, 0, 0)
@@ -424,7 +426,7 @@ transform = Transform3D(1, 0, -1.4210855e-14, 0, 1, 0, 1.4210855e-14, 0, 1, -0.1
 transform = Transform3D(1, 0, -1.4210855e-14, 0, 1, 0, 1.4210855e-14, 0, 1, -0.11969346, 0, 0)
 
 [node name="Box" parent="CubeTable2/RiddelCubeBoard" index="9"]
-size = Vector3(0.2517578, 1.8494141, 1.5)
+size = Vector3(0.2517578, 2.3290038, 1.5)
 
 [node name="XROrigin3D" type="XROrigin3D" parent="."]
 transform = Transform3D(-0.9999822, 0, -0.0059689246, 0, 1, 0, 0.0059689246, 0, -0.9999822, -1.2342949, 0.123805344, 0.22105265)
@@ -591,7 +593,12 @@ teleport_scene = ExtResource("18_ovbjo")
 target_szene = "uid://bni72mm8xa0fp"
 
 [node name="Marker3D" type="Marker3D" parent="MeshInstance3D"]
-transform = Transform3D(1, -4.3655746e-10, 4.1909516e-09, -2.3283064e-10, 0.9999999, 0, 1.8626451e-08, -7.450581e-09, 1.0000002, -0.0020041466, -0.84229064, 0.6517706)
+transform = Transform3D(1, -6.1118044e-10, 5.5879354e-09, 0, 0.9999999, 0, 2.7939677e-08, -7.450581e-09, 1.0000002, -0.0030474663, -1.002243, 0.9434376)
+
+[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="."]
+stream = ExtResource("19_ovbjo")
+volume_db = -29.807
+script = ExtResource("20_0u6ep")
 
 [connection signal="solution_correct" from="CubeTable2/RiddelCubeBoard" to="MeshInstance3D" method="_on_riddel_cube_board_solution_correct"]
 
diff --git a/assets/Space/audio_stream_player.gd b/assets/Space/audio_stream_player.gd
new file mode 100644
index 0000000..0b5f74f
--- /dev/null
+++ b/assets/Space/audio_stream_player.gd
@@ -0,0 +1,4 @@
+extends AudioStreamPlayer
+
+func _ready() -> void:
+	play()
diff --git a/assets/Space/audio_stream_player.gd.uid b/assets/Space/audio_stream_player.gd.uid
new file mode 100644
index 0000000..f7e9c9e
--- /dev/null
+++ b/assets/Space/audio_stream_player.gd.uid
@@ -0,0 +1 @@
+uid://cbcdmdtjufipo
diff --git a/export_presets.cfg b/export_presets.cfg
index 1d744f4..4a3ae70 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -9,7 +9,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter=""
-export_path="../../APK/Paradox_Vr_test01.apk"
+export_path="APK/Paradox_Vr_Konzept_Demo.apk"
 patches=PackedStringArray()
 encryption_include_filters=""
 encryption_exclude_filters=""
diff --git a/music/dungeon-air-6983.mp3 b/music/dungeon-air-6983.mp3
new file mode 100644
index 0000000..5f62b0f
Binary files /dev/null and b/music/dungeon-air-6983.mp3 differ
diff --git a/music/dungeon-air-6983.mp3.import b/music/dungeon-air-6983.mp3.import
new file mode 100644
index 0000000..8e9e98e
--- /dev/null
+++ b/music/dungeon-air-6983.mp3.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://cdv54aw8os7o6"
+path="res://.godot/imported/dungeon-air-6983.mp3-d7b5370fae8f1f4e8c6f665f4ee8f9d8.mp3str"
+
+[deps]
+
+source_file="res://music/dungeon-air-6983.mp3"
+dest_files=["res://.godot/imported/dungeon-air-6983.mp3-d7b5370fae8f1f4e8c6f665f4ee8f9d8.mp3str"]
+
+[params]
+
+loop=true
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4
diff --git a/music/space-ambient-351305.mp3 b/music/space-ambient-351305.mp3
new file mode 100644
index 0000000..f7f74b5
Binary files /dev/null and b/music/space-ambient-351305.mp3 differ
diff --git a/music/space-ambient-351305.mp3.import b/music/space-ambient-351305.mp3.import
new file mode 100644
index 0000000..54825d2
--- /dev/null
+++ b/music/space-ambient-351305.mp3.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://csddkjcj5t88t"
+path="res://.godot/imported/space-ambient-351305.mp3-d273b33eac7883dd0a9d6d876aff7bb4.mp3str"
+
+[deps]
+
+source_file="res://music/space-ambient-351305.mp3"
+dest_files=["res://.godot/imported/space-ambient-351305.mp3-d273b33eac7883dd0a9d6d876aff7bb4.mp3str"]
+
+[params]
+
+loop=true
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4