Be noted:
Broken Screen is just a prank/simulated app used for fun, it simulates the broken screen effect to play with your friends. It will not harm your phone.

Broken Screen Prank is a classic funny app used to prank your friends. When you touch your phone screen, the app simulates the cracked screen and loud cracking sounds on your phone. It looks like you use your finger to break and crack your phone. The broken effect is so realistic that all your friends will believe that your phone was broken and they will be scared.

App Feature:
✔ Realistic crack wallpaper and breaking glass sound.
✔ Crack your screen by touching or shaking.
✔ Destroy your phone screen by other effects such as fire screen and electric screen.

Recent changes:
Enable to remove crack effect by click the notification;
Support Android SDK Version 25;
Improve user experience;

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.