Fingerprint Lock Screen Prank

Have Seen Fingerprint lock Screen?
Have you seen an app that will use the fingerprint technology to secure your phone? Fingerprint Lock Screen has done this. You don’t worry about your important will be seen by others.
But there is a trick you can use that to prank all your friends.
Fingerprint Lock Screen is like a screen lock app by using your fingerprint, well in fact it’s not the principle. If you only put your finger on the screen, it does not work.
Then how to unlock the screen? The trick is to set up the number of cycles which will scan to allow you to unlock the phone screen. When you put your finger on the screen, the scan cycles reach the number you set, it will be unlocked. By default it is set to 3 cycles. You can easily change this on the settings page.
There are more than 6 theme you can select from, and makes the screen seems more high-tech. Of course, the most interesting is that you can trick your friends, because they don’t know the truth. They will feel amazing be surprised by this screen lock app. Set the number as you wish, so you are the only one who knows the trick to unlock.
When friends borrow your phone, it seems like to play a joke with them. Well, it doesn't matter. It can do a secure job for your phone, but also is full of fun. Give it a chance, and it will surprise people around you.