Yeah, I want to do some games for it. I release this on alpha stage because somebody could want to develop games too, and this helps me to find bugs or hear tips directly by other developers.
There are two hello worlds projects, one with more things that other. The keyboard with Z and X predefined is temporal, in the future I plan to put some configuration menu, just like emulators does.
The game selection screen it's not polished for now. My plans are have a game browser screen, to find games by genre, publisher, or name directly. With sounds and more effects for the cartridges.
I hope you like develop for this platform, it's intentionally very limited, but I think this is the key to enjoy the development process on it.