Pocket Gamer: In testing some of the more technically demanding games on the App Store we encountered problemsEliminate: GunRange, for example, stutters on the iPod, while Cave's DoDonPachi Resurrection won't load at all.

This may be because the fourth generation iPod touch runs games that have been optimised for iPhone 4, which reportedly has twice as much RAM (512MB, rather than 256MB)If so, developers may need to curb their enthusiasm as the technical vanguard is forced to accommodate less powerful devices.