Lie Detector Prank - Fingerprint Scanner is a free Android app developed by The App Rain under the Lifestyle category. This app is a fun game and prank app that allows users to set a trap for their friends and have them spit out the truth wickedly. It is a fake app that aims to bring laughter and humor to its users.

The app functions as a scanner that scans the user's fingerprint, mockingly acting as a truth or lie detector. To use the app, users need to place their finger on the screen scanning pad and let the laser X-Ray beam scan their fingerprint. Afterward, they need to wait for the detector to show the result TRUE or FALSE. However, the application responds randomly without any connection to the answers. It is important to note that this prank app is intended to create light humor, and the results generated by the app are based on mock. Overall, Lie Detector Prank - Fingerprint Scanner is an entertaining app for anyone looking for a good laugh with their friends.