This is open source: https://github.com/markusfisch/ShaderEditor * Live preview in background or on an extra screen * Syntax highlighting * Error highlighting * FPS display * Use any shader as live wallpaper * Exposure of hardware sensors * Support for wallpaper offset * Exposure of battery level * Supports multiple touches * Previous rendered frame in backbuffer texture * Import and use arbitrary textures * Disables rendering when battery is low Some devices limit GPU usage to consume less po