I am a bit confused, but neither should be difficult. What re you trying to do?
I may be wrong, but I think he has sold both programs with PROM carts. both are mentioned in the comments on the page i linked. Then you just need to pick up a link cable and an adaptor (also used for getting additional software on nanoloop carts) if using mgb. you can get a nanoloop adaptor here: http://www.nonelectronics.com/catalog/i cts_id=172
If you are a fan of muddy gb give music tech a shot: http://gbdev.gg8.se/files/musictools/PixelH8/
I prefer muddy for some things, but I have trouble hitting diagonals cleanly.