Emulators (like ZSNES, SNES9x, Higan/bsnes) are . They are independent software recreations of the SNES hardware. The illegality arises from the ROMs themselves, not the emulator.
Premium packs may come with "No-Intro" naming conventions, box art, and manual scans for use with front-ends like RetroArch or LaunchBox. Why do people use ROM Packs? All Snes Roms Pack
1,440 releases, including many Japanese exclusives. Europe (PAL): 532 releases. Emulators (like ZSNES, SNES9x, Higan/bsnes) are