At first glance, there's nothing suspicious about Awesome Baby Names, the innocently named $2 app for your iPhone which, as the name suggests, lets you create awesome baby names for your newborn child. On closer inspection, and provided you're privy to a secret trick, developer Ian Jackson hid a Game Boy Advance emulator.
You can unlock it easily by employing a series of taps. Apple will no doubt remove this app as soon as its review team wakes up and finds out about the reports so download it now before it's too late.
UPDATE: Wow, that was fast, Apple has just removed the app.
If you were quick enough to download it, your secret code is right after the break...