Lie Detector application, it calculates your heart rate to check your honesty. If you lie, your heart rate will increase, the appplication will detect it. Check your friend honesty.
How it works:
1. Put your finger on back camera
2. Wait for stable heart rate.
3. Answer the question
4. Wait for result.
It's free.
Try it.
Polydroid - Lie detector is a prank, and it could not be get serious. It's only for fun.