Highlights
+ Instant locking.
+ Easy to use.
+ Simple user interface.
+ Fully ad-free experience while using.
+ Ultra low power consumption.
Tutorial: https://youtu.be/alUXj2wc8uI

How do you uninstall this app?
― Go to the security settings in the settings.
― Select device administrators.
― Deactivate to the Double Tap To Lock.
― Go to the apps in the settings.
― Find the Double Tap To Lock and uninstall it.
― We will miss you. :(

What can not this app do?
― This app can not unlock your screen.
― This app can not work with the fingerprint scanner.

Notes
― You will never see any ads while using the app.
― This app uses the device administrator permission.