No emulator is perfect, and i'm sure people have dropped SNES emulation developement on PSP long time ago. I mean maybe not dropped, but pretty sure with in the last 6 years since 2011. 3DS and psp aren't even the same generation systems, and is completly unfair to comapre something meant to be play those kinds of things than something not meant to play them, not to mention how the age difference is. Longer aged consoles had longer time for homebrew development to get better while younger does not, which isn't fair to expect it to be good or better.I using the newest
snes9x-euphoria nightly build