I don't understand using SDL, it's not that hard to write something in Objective-C that runs on earlier versions of iOS as well. You can even cross-compile from

I don't understand using SDL, it's not that hard to write something in Objective-C that runs on earlier versions of iOS as well. You can even cross-compile from Linux, or even run clang directly on iOS if you jailbreak. My own experience is with iOS 4 - 6.