This is a Real time multiplayer card game using uses Google games SDK.
The Actual code lies on bitbucket due to score tampering issues, as the game is currenlty active on playstore.
You can try the game - https://play.google.com/store/apps/details?id=app.reytum.com.seep
If you need any help with game development using google games SDK you can contact at reytum@gmail.com