I just watched a few recent videos from his channel and you need to have a top line soc in your phone order to emulate Switch games.
Even Asus ROG phone 5 with Snapdragon 888 and 16gb of ram it struggles to run game like Zelda BOTW and runnings at sub 15 fps performance level.
If you're okay with buying $900 dollar phone to play switch games with performance issues, graphical glitches,bugs, crashes, and etc then this emulator is for you.
I think the biggest problem about this emulator is the developer themselves. They stole the codes from YUZU lol. So it's very interesting to see whether this emulator will be supported in the next few years or not because of shady business practice by the developer (illegally obtain roms, code, and other stuffs).