Lock screen by passcode (keypad) This Lock screen is very simple, beautiful and useful Multiple beautiful wallpaper The best lock screen application, to help you protect your privacy, prevent others trying to access your phone illegally. - This 'lock screen passcode' Very nice, simple and useful - Create passcode to lock mobile - A lot of beautiful wallpapers to choose in lock screen - Many different types of backgrounds to choose from, these wallpapers are exquisite design, beautiful. - Consume less memory and battery, simple and clean design - Also you can select your favorite wallpaper, it could be someone your love, your child ... - Show state of mobile as network, wifi, battery .. in screen lock - This 'Lock screen passcode' is really simple and easy to use, you just select function allows key, then enter password so that your device is protected.