Android apps reach the Play Store through the Google Play Console. There you manage apps, releases, testers, and the users who may access the account. The platform later does not access it with your Google account but through a service account from Google Cloud that you authorize in the Play Console.
Create the Play Console account
- Open play.google.com/console and sign in with a Google account.
- Accept the terms and complete the registration. Google charges a one-time fee for it; the current process is described in the Play Console Help.
- If needed, create an organization and invite team members with suitable roles so the account does not depend on a single personal Google account.
What must be ready before the service account
For the platform to upload builds, an app must already exist in the Play Console, or you need at least access to the account in which the app will be created later. You also need the permission to grant a service account access to the account under Users and permissions. Sort this out in advance so the later step does not fail because of missing rights.
Once the account exists, create the service account and the JSON key as described under Play Store credentials.