10000 on Google Play

[Someone]

The devs have explained that:

Integration of Google play

Glad that you’ve enjoyed the game! As for your question - unfortunately, implementing cloud saves and achievements is more difficult than it seems. I think there’s still some possibility of this being added, but it’s not very high (Ron gave it about 20% the last time this was asked).

And here is a discussion about some workarounds:

Transfer save games?

Is it possible to transfer the save games from Steam/Mac OS to iOS? (maybe over iCloud drive?) (maybe even to the switch?)