An iPhone app for Professional Magicians

The effect:

iPhone application reveals the card selected/thought of by a spectator.
(3 Routines, can be done with any deck, or no deck, the iPhone app can guess any card the spectator picks or thinks of).

What people are saying:

“Very magical!” －Katsuya Masuda

“Way cool！”－Richard Kaufman

“This trick makes me want to buy an iPhone!” －Daly Tang

“I don't understand how technology works, but I know a good trick when I see one, and that's a good trick！”
－ David Williamson