I'm finishing up my reskin of Martin's game and have come across a few problems at the end.
I am running into memory problems on older iPhone device. I just became aware of the fact that developing for mobile requires thought on not only quality for resolution and physical screen size f elements but also device restrictions like memory.
I'll list some resources I found useful when dealing with this. ( This post will be a living document).
Supporting Multiple iOS Resolutions (iPad, iPhone4, 3GS) | Unity ...
What sort of things do you do to work in the fragmented mobile landscape?