A free retro Nintendo game emulator is now live on the Apple App Store, and because of recent changes made to Apple's app review guidelines, it's actually permitted to be on there. Whether Nintendo will take kindly to it is another matter, given its stance that "supporting emulation also supports the illegal piracy of our products."

Following controversy over the weekend, the Delta game emulator has been made available in the App Store, for potential users outside of the European Union.

A decade ago, developer Riley Testut released the GBA4iOS emulator for iOS, and since it was against the rules at the time, Apple put a stop