Knock Key Locker
You may have a more secure lock screen with the application.
You can select between 3-8 to knock the key.
You can specify the location of the field to knock the lock screen.
You can choose to turn off animation.
more secure lock screen with this application.
thank you.
I welcome your comments and suggestions.
Lock screen wallpaper change feature. Android 7
![Get LG's "Knock Code" Feature on Your Samsung Galaxy S3's Lock Screen [How-To] screenshot 1](https://i.ytimg.com/vi/r1-x-6pFwjs/mqdefault.jpg)
9Apps 4.9
