There are two primary methods for playing SNES games on a 3DS, each with distinct advantages. 1. Virtual Console Injections (Recommended for New 3DS)
: You can inject the ROM using the Snes9x Pro engine, which is optimized to run full-speed on older hardware where the official emulator fails.
Click "Export CIA." NSUI will build a .cia file (usually 2–5 MB for SNES games – tiny compared to 3DS games). Save it somewhere memorable.