This prank polygraph will detect the truth by scanning your fingerprint.

Lie Detector Prank is a fun game which simulates a fingerprint scanner for detecting lies. Make fun of your friends by getting them to think this application can detect if they are lying or they telling the truth.
Ask your friend a question and tell him/her to put their index finger on the spot marked with fingerprint, Than the application will present prank answer.
The application will respond answers randomly.

Disclaimer: This application is just a prank, a fun game and it is not a real life lie detector (polygraph) nor a real fingerprint scanner.

Enjoy scanning your family and friends fingerprints and catch them lying you!!!