All you have to do is plug your iPad into the InvaderCade, launch the game and you're good to go. If you don't want to disturb your neighbors or friends while playing this game, there's even a headphone jack for you to use. And when you're not blasting aliens in the game, it even serves as a charging dock, so at the very least you'll have a nice looking speaker dock you're your iPad (yes, it comes with stereo speakers).
It's not the first time we've seen such accessories for the iPad, and it definitely won't be the last, but hey - nobody's forcing you to purchase one right? The InvaderCade will be available for around $205 in Japan on October 11th.
source:Ubergizmo