Broken Screen Prank app is an Android app that allows you to make pranks by cracking the screen of your phone or tablet. You can select from a number of cracking sounds, and the app will automatically set the sound as the background music when you're on a call.

The app also has the option to set the background image, and you can choose from a number of images to make the prank more realistic. You can also set the crackling sound as your ringtone.

You can also set the time delay between the audio and video to make the prank more realistic.