Firewall Wallpaper is a free personalization application for Android devices developed by Marcin Wojciechowski. It is a real-time generated OpenGL ES 2.0 animation that is based on a fractal created by a 3D Perlin noise fragment shader. The app features three different spectacular firewalls that are not the same, but you can spot similar paths of fire.

It is important to note that Firewall Wallpaper is not a slideshow or another looped movie. It is optimized for GPU for smooth animation and has low energy consumption. The app also allows for an adjustable framerate and high speed. It works only when visible to save battery.

To use Firewall Wallpaper, you need to hit "Menu" or long-hold on your homescreen, select "Wallpaper," then "Live Wallpapers," and choose 'Firewall Live Wallpaper.' Overall, Firewall Wallpaper is an excellent option for those who want a unique and visually stunning live wallpaper for their Android device.