It does exactly as it says it'll do, even on your Linux Mint machine, and even with the Nemo file browser. Though practically speaking, there's not much use for it as most Nintendo DS emulators you'll be using on Linux Mint *should* be able to read the roms from inside individual archives (E.g. MelonDS), which saves some storage for only very marginally slower boot-ups on an SSD. But if you *don't* want to keep your roms inside archives for whatever reason, this could make browsing them a little more fun and pleasant.