can this be used for commercial purposes?
Yeah it can :-) some people have even been making physical cartridges to sell their games like Dragonborne https://tofa24.itch.io/dragonborne-adventure-rpg-gameboy
Yeah it can :-) some people have even been making physical cartridges to sell their games like Dragonborne https://tofa24.itch.io/dragonborne-adventure-rpg-gameboy