Didn’t Nintendo get in trouble before for using a publicly available emulator (and stolen code for said emulator) for one of their console eshops?
Think you might be mixing together a few things: the ROMs on the Virtual Console with iNES headers (already mentioned) and an unrelated third-party developer using mGBA in a commercial game without providing credit or complying with the license. In the latter case, they did end up complying in the end.
I had actually not heard of the second case, it was Nintendo’s roms I was thinking of
IIRC it wasn’t the emulator that was the issue but the roms they were selling. Some of the NES roms they were selling on the wii u eshop had come from romsites and were not ripped by nintendo themselves.
Oh yes that’s what I was thinking of!
