Here is what to look for to ensure you get a high-quality :

If you are searching for a comprehensive pack, quality is more important than quantity. Many "complete collection" packs contain thousands of files, but half of them might be duplicates (different regions), corrupt files, or "bad dumps."

: Most packs are designed to work with popular emulators like SuperRetro16 for Android. Popular Distribution Sources

To play these packs on modern devices, you need an emulator. SNES9X SNES Emulator Setup Guide