Use APKPure App
Get OK Lock old version APK for Android
One click lock screen, save your power button~!
IMPORTANT !!
* Before using this application make sure to enable admin permissions.
By "Settings"--"Security"--"Device administrators"--"OK Lock"--"Activate" or "OK Lock Config"--"Enable Device Administrator" be checked --"Submit".
* Before uninstalling this application make sure to disable admin permissions.
By "Settings"--"Security"--"Device administrators"--"OK Lock"--"Deactivate" or "OK Lock Config"--"Enable Device Administrator" be not checked --"Submit".
One click lock screen, save your power button~!
How to use:
1. You can use the shortcut to lock screen or configure it to the gesture from third part launcher(exp. Nova Launcher).
2. Add the widget which can change skin to launcher desktop.