In this application, There are four knocks set in a square example. You can make any example of 4 knocks to make sure about your portable screen.
Knock lock screen, the screen lock is an exceptionally dependable and secure application extraordinarily made for clients who need to conceal their subtleties and applications.
Knock Lock Screen - Smart Screen Lock set on the screen.
Users can set a Pin of their choice to protect their phones.
The purpose of this app is to satisfy security objectives.
The security purpose of your important apps can be satisfied with this app.
This app has a quick response feature as one can quickly open the app as soon as one enters security locks.