An amazing mind reading magic!
After thinking a number and answer few yes-or-no questions, computer will show your number.
This apps has the new mode different from other similar apps. You can tell a lie once, and computer not only still guess your number but know which card you lied.
This game is come from basic coding theory in math. If you know the theory in it, you can use the screenshots to do a magic trick without computer and calculating in your own mind.