Polygraph Lie Detector is an application that simulates can detect lies through by examining the following physical changes in the body of the person being interrogated: - Pulse - Skin Conductivity - Respiration Just hold your finger on the detector and speak or think something. The App will give you the truth or lie! Disclaimer: This application is just a prank, a fun game and it is not a real life lie detector (polygraph). This is for Entertainment Purposes!