Shake and Break Screen Prank is a free Android app developed by Vicban that lets you play a prank on your friends and family. The app simulates a broken screen effect on your phone, making it look like your screen has been shattered into pieces. When you move your phone, the screen will automatically break, creating a realistic effect that will surely surprise your friends.

The app also has additional effects that make the broken screen look more realistic, such as touch effects that simulate broken glass. The best part is that it works with all displays and all mobile phones, and it doesn't require an internet connection. Plus, it takes up very little storage space on your phone, making it a great app to have on hand for those times when you want to play a funny prank on your friends.