Its Magic

Phone is an amazing electronics and communication gadget. But can it
perform magic? Now it can.

With this application, you can make you iPhone perform magic and amaze
you and your friends. You'll made to exclaim "wow!"

While you are using the app communicating with the magic crystal, the crystal will look inside your mind and extract your thoughts. It'll give you the contents of your memory, what you have in mind.

You'll be made to make simple arithmetic calculations, without telling
anything about it to the app, and the app will know what you have in
mind. How does it do it? It's magic! or Logic ?