Lie detector test is a prank game.

There is no ability to scan real fingerprints,
Pressing the button all the way down will randomly answer the truth or false.

How to use Lie detector test:
1. Press the Start button and think about the lie detector question in your mind.
2. Put your thumb on the sensor.
3. Wait until you have finished scanning your fingerprint.
4. When the scan is successfully completed, Lie detector test appear truth or lie.


caution:
Lie detector test is a prank game.
There is no ability to scan real fingerprints.

Lie detector test seems check the blood pressure, but it's not.