Emulation is where these file formats shine. Using or Yuzu :
: A dump of the physical software cartridge. XCI files sometimes come "pre-updated," including patches directly in the base image. Regional Versions (USA vs. JPN) Monster Hunter Rise SWITCH NSP XCI -USA JPN- DL...
If you’re truly interested in the technical side of Switch game formats, learn about HDD dumping, custom firmware, and key extraction – but always start with a legally purchased copy. Happy hunting, and may the Sapphire Star light your way. Emulation is where these file formats shine
However, there are legal gray areas and legitimate uses: learn about HDD dumping