The successor to the legendary Lie Detector with over 1 million downloads!! The polygraph detects based on changes in blood pressure, pulse, sweat production of the finger and finger temperature if someone is lying or telling the truth. Simply put your thumb on the impression scanner keep telling (or thinking) the truth and remove your thumb again after (!!) finished scanning.
More Info:
https://play.google.com/store/apps/d...uegendetektor2