Crack My Screen. "You broke my screen! Look, a crack on the screen, I even heard a breaking sound! ". "Gosh! What did I do? I only touch the screen! How can I break it! Unbelievable! ". Ha, ha, don't be nervous, it is just a joke, created by the App "Crack My Screen"! Crack My Screen is joke app which simulates a broken mobile phone screen.