I just released my first game utilizing cocos2d-x. First of all thanks for building such a superb framework.
Hopefully you also have fun with my game Badaboom - BonBon Bomb. Give it a try and provide feedback if you want.
https://play.google.com/store/apps/details?id=com.ultima.bonbonboom - Google Play Store
http://bonbonbomb.hexagonflip.com/ - Website