If you’re serious about emulation, invest in a Snapdragon 8 Gen 3 gaming phone, learn to compile custom Turnip drivers, and join communities like the Strato Discord. The developers doing this for free deserve respect – not the pirates flooding their issue trackers with “how run Pokemon?”
Switch emulators work by emulating the Switch's hardware and software environment. They interpret the game data and translate it into a format that can be understood by other devices, in this case, Android smartphones and tablets. The process involves:
Nintendo Switch emulation is extremely demanding. You cannot run these apps on budget or older phones. Snapdragon 865 or higher is recommended.