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Trick your friends with a realistic broken screen and custom green line effects!
Pull off the ultimate broken screen prank! Green Line Simulator is an entertainment app designed to trick your friends and family into thinking their smartphone hardware is damaged. It simulates the common OLED or AMOLED "green line" glitch. The lines act as a persistent overlay that stays on the system interface even when the app is closed, creating a highly realistic illusion of a broken display. Customizable to look 100% real: Every phone display is different, so we give you full control over the damage details to make your prank completely convincing. Key Features: ✔️ Multiple Lines Support: Add more than one line at a time to create a heavily damaged screen effect. ✔️ Custom Colors: You are not limited to just green! Choose freely between pink, cyan, white, or any color that fits the broken pixel vibe. ✔️ Flexible Orientation: Set the lines to be vertical (top to bottom), horizontal (left to right), or diagonal across the screen. ✔️ Adjustable Thickness & Position: Modify the line thickness from ultra-thin (1px) to thick (10px+), and adjust the exact offset coordinates across the screen. ✔️ System-Wide Overlay: Utilizes the System Alert Window permission to draw over other apps and the home screen without blocking your screen touches. ✔️ Lightweight & Battery Friendly: Runs smoothly using the Android Canvas API and background services without draining your memory. How to Use: 1. Open the app and grant the required overlay permissions (Draw over other apps). 2. Configure the color, thickness, and direction of your glitch lines. 3. Tap the "Start Prank" button. The app will automatically minimize to show the "broken" home screen to your victim instantly. 4. To stop the prank, simply open the app again and tap the stop button. Disclaimer: Green Line Simulator is purely a prank and entertainment app. It only displays a graphic overlay on your screen and does not cause any actual damage to your device's hardware or display.