Buy Celeste on Steam or Itch.io. Then port your own assets.
Here is an informative guide on achieving the best Celeste experience on Android. celeste android port best
To use this, you typically need to own the DRM-free PC files (from Itch.io ) and use a wrapper like to bridge the game to Android. 2. Switch Emulation (Skyline / Yuzu) Buy Celeste on Steam or Itch