Based on the models it is limited to I would think it is based on RAM.Let's hope they release an update that works with iPad 1. It seems crazy that they would require front camera access. Maybe it was an oversight, but maybe it runs like crap on the 1st gen iPad and they're covering that up.
Yeah, sounds plausible. It's hard enough to browse in Safari without it crashing on the iPad 1.Based on the models it is limited to I would think it is based on RAM.
It seems the newest iPod Touch isn't able to run it either. iPad 2 and iPhone 4 both have 512MB vs 256MB for iPad 1 and iPod Touch 4g.
I imagine it tries to cache as many photos as it can so it can smoothly operate as you use it.