What iPhone 4, iOS 4 mean for games. iOS Central By Chris Holt, JUN 25, 2010 12:27 am PDT. Gaming on the iPhone just got an upgrade.

While the games have been optimized for iPhone 4 and iOS 4 support, its worth noting that most of the titles will work on older models of Apple’s portable devices.

Apple's Game Center in iOS 4 is now enabling user logins for the first time since the company began distributing the app with developer builds of the next OS for the iPhone, iPad and iPod touch.