Thank you for your answer.
Sadly no answer from Google
I deleted the other google Account
But now i know:
Just change the Google Account in the Phone settings
RE:Google Account issue - paying2020-01-18 12:55:17
Google Account issue - paying2020-01-13 07:16:31
I wanna buy Premium .. i have 2 Google Accounts ...
I Connect the Game with to the google-Account with the Money ...
But when i click Premium Upgrade - only the other Account appears on the google Pop-up pay Screen