The possible causes of this are:
- The application is not published to the Google Play Store.
- The version code of the application does not exist in the Google Play Store. For example, if only an older version of the application is in the Google Play Store.
- The user doesn't own the application. For example, if they did not install it from the Google Play Store.
- The user doesn't have access to the application in the Google Play Store. For example, if the application is on a track the user does not have access to.
Additional resources: AndroidAssetPacks.DownloadAssetPackAsync, AndroidAssetPacks.GetAssetPackStateAsync.