There is also a NES emulator written entirely in JavaScript called jsnes[1] that would be interesting to compare to. The "solid 60 FPS" doesn't always translate

There is also a NES emulator written entirely in JavaScript called jsnes[1] that would be interesting to compare to. The "solid 60 FPS" doesn't always translate to mobile. For example, jsnes runs fine on an iPhone 5S (64-bit processor), but stutters on an iPhone 5. [1] https://fir.sh/projects/jsnes/ https://fir.sh/projects/jsnes/