From Nick Ziats:
REMEMBER: This app is intended for entertainment purposes only and does not provide true lie detector functionality.Have you ever wondered if your friend or family member was telling the truth or lying to you? Well now you can find out the truth with this app! Just place your friends index finger on the screen, which scans your finger and the contents of it, and wait to see if they are lying! However, it is a fun way to test your friends for a lie, as this app provides tons of entertainment so ENJOY!!