Play friend, ask questions and ask to answer into the microphone. Tell that the polygraph scans the voice and discovers the lie via pulse and breathing. Tell the friend to tell the truth and give out all the secrets!
Lie detector is prank, imitation of the polygraph. The phone is not able to discern the truth nor the voice, nor the fingerprints, but the app will help you to play friends: imagine yourself as a secret agent in charge of eavesdropping and discovers deep, dark secrets. Nothing escapes from the spy ear! The simulator of the polygraph in the phone!
To determine a joke the truth by fingerprint, you should make people touch the screen, a simulated lie detector voice gives you the ability to play friends in the distance.
Scanner truth the phone doesn't exist, and learn the secrets the honest way, the app Lie Detector imitation - just a joke!