This is currently the most popular way to play the full version of Celeste natively on Android with high performance.
Celeste demands pixel-perfect precision. A single frame of lag or a missed input means death. Use these tips to ensure your mobile setup is up to the challenge: celeste android port best
If you must play using touchscreen controls, the port offers settings to make the experience manageable, though it requires tweaking to find what works for your hands. This is currently the most popular way to