It runs great for me, and it's the most known. I believe it's farther along in the compatibility section too.
I have a dual-core tablet though, it may not be smooth on your device if it's something lower than that.
The only other one is N64oid, it's a paid emulator, and it's indeed faster IMO than mupen64plus ae (but then you can argue that you can tweak mupen64 much more and achieve better speed and compatibility for some games).
All other emulators on the market/play store are most of time backspaceware made from mupen64plus with ads and no credits to the author.
It runs great for me, and it's the most known. I believe it's farther along in the compatibility section too.
I have a dual-core tablet though, it may not be smooth on your device if it's something lower than that.