The GAME&WATCH firmware Flashdumper and Flashloader

Ghidraninja has just uploaded a new video so the objective is to show how to get the firmware with the flashdumper on the Game & Watch Super Mario Bros., and he shows how to use the flashloader to integrate new games.
 
In this video, they explain to us how to save the original firmware and how to install the homebrews on the Nintendo Game&Watch!

The video 

Of course for the moment, these advances are intended for developers, but know that great progress has still been made.

If this kind of project interests you, there is also the work of Konrad Beckmann which is interesting, the latter proposed a port of an NES emulator for the Game & Watch.
 
Download: Flashloader / Flashdumper