A free program for Android, by Earth Map World 3D Maps.

If you are looking for a stylish and secure way to protect your device, you have found the right app. Heart Zipper Screen Lock is an application that will help you achieve this goal and much more. 

With this app, you will be able to lock your device with a beautiful and stylish zipper. You will be able to choose from a variety of different heart designs and colors to create a personalized screen lock that will look great on your device.

You will also be able to choose from various themes and backgrounds to create a unique screen lock that will look like it was designed by you.