It's possible that there is a conflict with your phone's OS if you are overseas (not in US).
You'd have to research things according to your case.
Viewing post in Heavenly Peaks Cultivation comments
All the versions are built on the same code, as I mentioned.
If you can't get mobile to work, then you'd have to play on a computer.
For more information you can reference this post : https://mybiglittlebrother.itch.io/heavenly-peaks/devlog/790480/android-fixes-re...