The iPhone is fast becoming home to many forms of retro gaming applications, but one of the most promising – a licensed Commodore 64 emulator – has failed to make it past Apple’s labyrinthine App Store approvals process. It’s a big disappointment to those who want to enjoy a bit of gaming nostalgia from their handset, which is more than up to the task. More importantly, it’s yet more proof that something is completely wrong with the App Store approval system.