You want to know what kind of App you run on iPad will make the whole world jealous, djay for iPad is the App! It is a very cool looking Disc Jockey App which allows you to do DJ stuff with just your iPad and your iTunes library. Cool yeah? It is quite full featured with easy to access controls.
So if you are interested to see and experience how DJing feels like, you can get djay for iPad at $19.99 in the App Store