The Super Notendo is now fully universal you just need to go through the effort of making 4 very, very small USB cables.
I got some blank male and female ports and cut wires that were just long enough. It’s cramped but it works!
Both versions here:
Came out looking awesome! The custom ports do give it some extra polish over the previous iteration. I might wind up making one of these myself. It would look great next to my Virtual Boy 😄