I installed it on my iPad 2 - unlike the iPhone 4 it support parallex and translucent screen.
It runs more smoothly on the iPad two, but i did notice some stutters ever now and then, but nothing major.
Overall it looks good, but as expected Helvetica Neue Ultra Light doesn't look as good on a non-retina display though. Didn't really notice the ("low") resolution of my iPad in the past 2y ears, but with the new OS it's def. visible.