Hi if you would like to make physical gameboy carts , let me know, i do this for a living. Id be more than happy to work with you. We can work togheter and be partners . I have a shop on etsy and i would love to sell this game for you. I have my own high quality 5V circuitry .
Get back to me if you are interested, i can give you a cut everytime i sell one.
Heres my email address
Repropcbs@gmail.com
Once i have multiple developers working with me i will create a website to make this even more official and to push more sales
thanks for your time and let me know if you have any questions