This is a small program that displays on the desktop of one of the non-playable of the first Mr. Potter games. It has nothing to do with Linux
After launch, the same gnome appears on the screen, which starts to run, making strange sounds. If you click on it with the second mouse button (usually this key is located on the right, if the system is configured for left-handed people, then on the left), a short list of actions that the gnome can do will appear.
The developers have a very funny character that functions separately from the game