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New Effects Studio to create and save custom effects New Light, Dark and System themes, plus wallpaper colors Fixed effects displaying incorrectly in landscape mode Improved layouts on smaller screens Effects now pause when the screen is off
Prank your friends with realistic green lines, cracked glass and screen glitches
Screen Prank: Broken LCD Joke is a visual screen simulator for Android. Preview green lines, pixel artifacts, cracked glass and display glitches, or create your own effect in Effects Studio. These are simulated graphics for entertainment, not real screen damage. 📱 Explore screen effects Choose from built-in styles such as vertical green lines, multiple lines, flickering patterns, hairline cracks, dead pixel simulations, ghost-image burn-in and color banding. Premium adds effects including broken glass, water-damage visuals and digitizer tears. Some settings apply only to compatible line effects. Create a custom look in Effects Studio Use the live preview to design your own line effect: • Adjust color, thickness, length, angle and available position controls. • Add multiple lines and change their spacing. • Use continuous lines or broken segments with an adjustable segment count. • Choose still or animated behavior, including flicker, sweep and glitch jump. • Preview against Dark, Light or Apps backgrounds. • Save your designs and load them again later. Some Studio styles, higher line counts and advanced controls require Premium. Position controls are available when the selected line shape has room to move. ⏰ Start now or use a countdown Activate an effect immediately or enable a delay measured in seconds, minutes or hours. The selected simulation appears when the countdown finishes. Display effects over your screen With your permission, the app uses Android's display-over-other-apps feature to show the selected effect over your home screen and supported apps. Overlay permission is required for this feature. You can stop the simulation from the app. The visual overlay pauses when the screen turns off and resumes when the screen turns on if the effect is still active. 🎨 Choose your app appearance Select Light, Dark or System mode. Wallpaper-based app colors are available on Android 12 and later. These appearance settings change the app interface, not your wallpaper. 💎 Optional Premium upgrade The app contains ads and offers an optional one-time in-app purchase. Premium removes ads and unlocks all built-in effects, Studio styles and additional line, motion and thickness controls. It is not a subscription. ⚠️ Important information Screen prank: broken lcd joke is an entertainment app. It does not physically crack your screen, create actual dead pixels or repair hardware problems. Some effects flash or flicker; avoid these effects if you are sensitive to flashing lights. Use the simulations responsibly and make clear that they are visual effects.