Design your graphics in any editor that can output PNG files e.g.Visual game builder with no programming knowledge required.You can quickly export your games to play in a browser or upload to Itch.io.
Run games on any compatible emulator, if you’ve got a flash cart you can play them on a real console! GB Studio comes with a web based emulator that works on mobile. GB Studio ia a free and easy to use retro adventure game creator for Gameboy.
Via – Just released this today – GB Studio, a drag and drop Game Boy game maker for Windows, Mac and Linux.