Want to check if your friend is telling the Truth? Wanna know the hidden truth behind a secret ? Well, The Best Lie Detector Prank App is available on Play Store for you ABSOLUTELY FREE !! Best Lie Detector Prank is for entertainment purposes only. It can not and does not calculate or evaluate if the other person is lying or telling the truth because it is not possible with any smartphones yet. The displayed result is fake and just for fun. It is the best application for fooling your colleague