I play Air Wings. In IOS 6 it was reasonably stable. In IOS7 it is junk. Game Center crashes my Ipad 4 and trying to use voice chat in GC will bring the Home screen up in a flash. I am getting crashes which don't even generate crash logs in Xcode. Pangeasoft.net the developers know about it and have complained to Apple filing bug reports with the usual silence from Apple. Anyone else having fits with GC? Any ideas? I should never have upgraded so soon.