actually, that's not entirely accurate; holding the direction button, then hitting Enter triggers the picture to move. It's a picture, not an actual cursor. It just creates this illusion in a flimsy sort of way. But, it has the potential to be the start of bigger, better things.
The position co-ordinates are also relative, and require a bit of playing around with. Just remember to keep the arrow as the top-most picture, otherwise it'll disappear