Developer's DescriptionBy LoeweIt is an ultra small app for locking screen. No ads in it...It is an ultra small app for locking screen. No ads in it!Note:1.If you want to uninstall, first deactivate the procedures in "Settings -> Security -> Device Manager", then uninstall it.2.The app is currently not suitable for use with "Fingerprint Unlock".3.This application uses the administrator's privilege of the terminal