cocos2d-x3.x 游戏练习1,. admob,及shareSDK的使用 应用地址https://play.google.com/store/apps/details?id=com.topspeedsnail.colorball

for Cocos2D-x and CocosDenshion see their license
all code are licensed under GPL v2
all assert, images and sounds are licensed under Creative Commons Attribution-NonCommercial-NoDerivs ( CC BY-NC-ND )

It's perfectly fine to use code, but please make your own artwork.