I'm glad you did the Jam Kwisarts! This one was an interesting experience. Lol I am now going to have to figure out how to change the mouse pointer into something else. :)
The way I did it (might be th wrong way idk) I have an object that draws the cursor image in the mouse location (x = mouse_x) then make the base cursor not being displayed (just press cursor or something and the auto-complete thing should show you the function)