You need a "hackable" Nintendo Switch running CFW like Atmosphère . Dump Tools: Use homebrew tools like nrdump or NXDumpTool .
If you are looking to get games running on an emulator today, The Only "Legal" Way: Dumping Your Own Games switch roms for yuzu link
Switching ROMs for Yuzu is a simple process that requires a few steps. By following this guide, you should be able to switch between different ROMs with ease. If you encounter any issues, refer to the troubleshooting tips or seek help from the Yuzu community. Happy gaming! You need a "hackable" Nintendo Switch running CFW