The fact that you made a game on a device that "wasn't for games" is even cooler.

You can write a game in almost every language. Check these ones written even on really low specs VM's:

https://codeberg.org/luxferre/mu808

This could be adapted https://codeberg.org/luxferre/scoundrel-ports

More info at https://luxferre.top

One time I wrote a game in English.