Classic Puzzle Game: Color Linez
Fast starting up and smooth playing on all iOS devices from iPhone 1st generation to iPad2(for sure) with 3.x~4.3.x OS support.
Universal: Yes! its designed for iPhone, iPhone 3G, iPhone 3GS, iPhone4, iPad1, iPad2, iPod touch 3/4.
Graphic: Yes! it supports iPhone4/iPod Touch 4gs Retina screen and iPads big screen.