Prank App Lie Detector - The best prank joke free mobile app for test and detect the truth.

Prank App Lie Detector is a funny game which simulates to detect whether you are telling the truth or lying. You can preset the result to prank your friends! Press the volume key before scanning. Use volume+ for truth or volume- for lie.

Let your friends press their finger on the fingerprint scanner and then the Lie detector app will simulate to scan and calculate the result, true or false.

Remember this is a simulated app used to prank your friends and the results are not real.

How to use:
Preset the result to prank your friends! Press volume key "+" for truth, volume key "-" for lie before scanning.