Face lock screen prank is the fake lock app.
This is basically prank face lock app . It simulates the experience of face lock can be open with pressing the button for while.
You can fool your friend that your phones lock open with your face. However, it is the prank app in which lock opening is depend on the pressing the button for some time.
Notes/ Disclaimer: This app is not the real face lock app. This app is developed for fun, this is not real face lock app. It is made to fool your friends.