The more social version of "Math Art for Kids" game https://play.google.com/store/apps/details?id=com.mathforkids5
Enriched with:
* Sign in with Google+
* Invite your Friends with Google+
* Leaderboards for playing with your Friends and compare the results (Google Play Game Services)
* Achievements (Google Play Game Services)
Play, Learn and Exam Math!
Arithmetic, Rows, Visual ... Different Levels
More information: https://play.google.com/store/apps/details?id=com.mathforkids5