fake fingerprint lie detector

fingerprint lie detector prank.
joke with your friend. boyfriend. girlfriend. boss or even your teacher.

red light when the result is false.
green light when the result is true.
displayed results randomly.

features:

- simulate scanning of the finger.
- finger touch to start the test.
- great as a game.
- full use for free.
- easy to use.
- great for kids or adults. boys or girls.
- wonderful fake lie detector test.