https://www.gamespot.com/articles/snes-classic-hacked-to-play-more-games/1100-6453901/

The Super NES Classic Edition boasts an impressive lineup of the original console's games, plus a long-lost, unreleased one in Star Fox 2. But just like its predecessor, the SNES Classic comes with no official means for playing anything other than those games. There's no Virtual Console-style digital library to purchase games from, nor can you pop in an original SNES cartridge if you still have one lying around. Yet just like the NES Classic Edition, hackers have found a way to expand what the system is capable of.