Cross Engine is an open source game framework compatible with every platform. It uses BGFX for the rendering so it gives the ability to use the best graphic API of every platform.
2D multiplayer action game made with Unity. You can play with your friends no matter what platform they are thanks to Unity.
Android app that shows famous quotes. It create a permanent notification so you can see a new one every time you look up the notifications.
Game for playstation certified devices using PSM SDK like "PS Vita". Shump game with endless survive game mode, what level will you be able to survice?