I just upgraded my first app, the Wacky Crystal 2.0 with Unity3d. You can check it out at http://itunes.apple.com/us/app/wacky-crystal-hd/id376569365?mt=8
A free version of the Wacky Crystal is now available at http://itunes.apple.com/us/app/wacky-crystal-hd-free/id557419631?mt=8 .