Over the weekend, a Game Boy emulator named iGBA appeared in the iPhone's App Store, but Apple quickly removed the app due to violations of the company's App Review Guidelines related to spam and copyright. Apple has since shared additional details about why it removed iGBA from the App Store, and it also clarified its guidelines for emulators. iGBA was a copycat version of developer Riley Testut's open-source GBA4iOS app, with the addition of ads on top. While it did not explicitly name GBA4iOS...