Here, take this a..uhhhh…. instructions to play a game of n64. for android, idk if this one is available in ios.

1. open this link (in play store) https://play.google.com/store/apps/details?id=org.mupen64plusae.v3.fzurita

2. After installing this emulator, go to the n64 roms store. here, you can download this roms faster, https://www.gamulator.com/roms/nintendo-64

Ok, once you have done step 1 and 2, open the app and press this refresh button at the top right. (the first image)
4. Then, press ok. (second page)
5. wait a little bit and you can play it, but some games won’t work…..since it is in beta.