Lie Detector Simulator Prank - turn your phone into a spy device. Scientifically, this device is called the polygraph is used to assess the authenticity of the words. This is only a simulator of a polygraph, truth or falsehood program determines at random. Pretend check human lie detector fingerprint. The game is a realistic, bright, but at the same time simple design. Invite a friend to take the test to be true, ask a question. Keeping finger on the fingerprint scanner, one must answer. After a few seconds, the detector will reveal the truth or lied man said. The result is always a joke, use the game as a simulator.