Unity - The multiplatform game creation tools for everyone.
QR Droid - QR Droid Zapper
Godot Engine - Feature-packed 2D and 3D open source game engine.
ZXing - Barcode Scanner for Android
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
UpCode - UpCode is a highly developed mobile access & interaction MAI technology that turns mobile...