Family Passcode Lock Screen for Android
Design your Lock screen as you want. You can add your favorite and memorable photo on lock screen with security option.
Using this app you can set lock screen as a pin lock and also set your favorite background image on pin lock screen.
Its very easy to use and customize.
In other lock you can not set background image on pin lock it not look great. In those app also limited number of background image. But using this app you can choose background from gallery so you can more choise than other lock screen.