uses cycle-accurate emulation for the CPU but frame-skipping for the GPU. If the Switch lags, the game slows down, but it never crashes. It mimics real hardware failure modes.
The only reason people want a standalone Mario NSP is for the icon on the home screen. But that vanity leads to hours of troubleshooting "firmware mismatches." The keyword "arcade archives vs super mario bros nspeshop work" boils down to a single concept: Respect for the hardware.
Arcade Archives titles work because they treat the Switch like a generic Linux computer running a virtual machine. They are boring, stable, and predictable.
Super Mario Bros. standalone NSPs fail because they are hacks designed to trick the Switch into thinking it’s a Wii U. Nintendo closed those loopholes years ago.