Janmulder has updated his Game for the DS, heres the details:

In BallyWally you have to get the ball in the hole.
The only way to do that is by tilting the platform
by touching the bottom screen. In the Menu you have
6 options:
- FULL: Play all levels from start. The only way to unlock new levels
- LEVEL: choose a level (which is already unlocked) and play.
- SAVE: Saves the game (BW.SAV on your flashcard)
- RECORDS: Shows the levels in the top screen
- SHOP: Change the ball in a football(300points), basketball(400points) or a diceblock(450points)
- MAKE YOUR OWN: possibility to make your own level.
- draw wall (draw rectangle)
- draw trap (draw rectangle which is the same as water in the default levels)
- play! (play your own game (after touching the touch screen))
- back to menu (go back to menu (after touching the touchscreen))
- draw target (set the place of the hole)
- draw ball (set de place of the ball)
- eraser size: ... (erases walls by drawing and erases traps by tapping in the rectangle
adjust size by pressing right and left)
- save (saves the game (after touching the touchscreen))
- delete all (delete all walls and traps and saves)
switch functions with up and down.