I\'m having a hard time deciding whether to go with Quartz2D or OpenGL for an iPad game. It will be 2D mostly, but effect-intense (simultaneous lighting effects for 10-30 object
use a framework that is cross platform
Cocos2d for android: http://code.google.com/p/cocos2d-android/
Cocos2d for iphone:
http://code.google.com/p/cocos2d-iphone/