Ensure the file ends in .apk and is usually between 80MB and 200MB. If a file is 5MB, it is likely a virus.
You have a conflicting version of FNF already installed. Fix: Uninstall the old version completely before installing the new one. download fnf friday night funkin apk
If you enjoy the game, support the original team by buying the on Steam or Itch.io (coming soon) or listening to the soundtrack on Spotify. Ensure the file ends in