After uploading or updating the APK and adding the app information, you'll come to Test Release before Formal Release.
Note: please make sure your devices are compatible with the Support Android Version of your apps.
1. Test Release (Optional)
You can add your testing devices and tap on Test Release for making a trial release.
If you made a test release, you will see the installation status of your testing devices.
Note: If you don't need this process, please skip it and Go Formal Release.
Tips: If some of your devices are not compatible, please remove them from the Formal release.
2. Formal Release
If you want to release your updated app to specific models of devices or device groups, please select the device models or groups below.
Tip: If not, please select All devices models or All groups. the app you upload or update will publish to all devices and groups by default.
After doing so, scroll down to Staged Rollout and proceed.