Lie detector - Joke is an Android application developed by MayersDev. It is a free game available on the Google Play Store under the Games category. As the name suggests, it is a lie detector app that you can use to have fun with your friends and family. The app simulates a fingerprint scanner that you can use to determine if someone is telling the truth or lying.

The app is easy to use. You ask a question, and then the person being questioned places their finger on the scanner. The app then scans the fingerprint and gives a result of either "true" or "false." It's important to note that this app is just a joke and not meant to be taken seriously.