You can now automatically log in-app subscriptions and verify purchases using a Google Play Service Account.
With this feature, you can:
This helps ensure that the purchase data you see in Facebook Analytics or use to measure, target, or optimize your ad campaigns on Facebook is accurate and not distorted by fraudulent purchases.
1. Go to your app in the Facebook App Dashboard and select Settings > Basic in the left side panel.
2. Scroll down to the Android Platform card and toggle the Log In-App Purchaess Automatically to Yes if you have not already.
3. Toggle Log In-App Subscriptions Automatically to Yes to upload the JSON credentials file you downloaded to your local machine from the Google API Console.
4. Once the file has been uploaded, click Save and the toggle shows Yes.
To change the verification credentials, click the Update link in the Google Play Credentials section of the Android Platform card. You are asked to upload the new file. Click Save to update the file.