yellow zipper lock screen

yellow zipper lock screen, a zipper screen lock. hold the zipper and press down to unlock the screen or pull it up to lock the screen. its does not require any password or pin code to unlock your mobile phone. features: - simulate zipping and unzipping zipper. - simulate lock of the phone. - cute yellow smile zipper. - great as a game. - full use for free. - easy to use. - great for kids or adults. boys or girls.