Well for games most of the size is content and you can just download that: https://developer.apple.com/library/prerelease/ios/documentation/FileManagement/Conce

Well for games most of the size is content and you can just download that: https://developer.apple.com/library/prerelease/ios/documentation/FileManagement/Conceptual/On_Demand_Resources_Guide/ https://developer.apple.com/library/prerelease/ios/documenta... That way the OS can clear out unnecessary files and they just get downloaded again the next time you play the game. I imagine there is room for temporary video caches etc.