Start the scan friend’s face with camera and say something to see if it is true or a lie. Camera will go scan face and show result.
Use the prank features to fool everyone with this fake lie detector test.

Instruction for prank mode:
Start scaning friend’s face. First time you see a random result. On result screen tap on the left side of button for “False", and on the right for "True". Pressing the restart button will give a random result.

Disclaimer:
This application is only a prank trick for fun. it's not a real scanner and lie detector.