You use different lock screen with different pattern through secure your data or private or sensitive data. You wants totally different lock screen.
\nDoor Lock Screen application through you gets totally new style lock screen just you touch the door handle and open lock screen or add password and open your lock.
\nAny time you change this password easily. Also you change different door background for your lock screen.
\nYou also on or off your lock screen also on off your lock screen sound.