Everyone probably knows pod2g
by now for his efforts in the iOS 5.1.1 jailbreak, however he’s not only a jailbreak hacker. His real name is Cyril and he also appears to have an interest in app development for Apple's App Store.
Cyril has just finished programming a new application for the iPad, named podDJ, which allows you to mix beats right from your iPad. The application itself is a realistic-looking turntable. It’s only available on the iPad, not the iPod