Here's how you can download the Fingerprint Screen Lock app free for Android devices.
1. Go to the Google Play page for the free app Fingerprint Screen Lock.
2. Tap the Install button.
Here's a description of Fingerprint Screen Lock:
"Fingerprint Lock Screen is a awesome fingerprint screen app for your phone and can be set as lock screen.
Get the best customizable fingerprint scanner lock that actually works as a lock screen.
Trick your friends that your phone uses finger print to allow access to the home page."