The SNES Classic has 256MB of onboard storage, but theres more than enough room to add 700+ games made for the console. A Russian coder built a tool called Hakchi to cram more games into the little emulation box. Hakchi 2 adds box art, publisher information, and other metadata to add to the library. The missing ingredients not included with Hakchi are the games themselves, but game ROMs occupy a fussy gray area, legally speaking. In some circles downloading a digital copy is thought to be kosher if you own the game in some other form.”]
Source: https://gizmodo.com/easy-hack-lets-you-add-more-games-to-the-snes-classic-e-1819285925