Welcome to the secret world of espionage, start your career with the app Real Lie Detector. A unique fingerprint checker that will always be in your pocket. Download the app, ask your friends any provocative questions and scan their fingerprint. Check your friends - use a fingerprint scanner. Use the great opportunity to check how the polygraph works. This Lie Detector will check for a few seconds who is telling the truth and who is lying! This app is a fun party game with friends. You can download the game now, completely free and start having fun. ATTENTION: This Lie Detector is not a special or actually used method of checking people for lies or truth. Applications is a simulator and a joke for entertainment in the company of friends.