The user settings need for use in the app are store locally, including:
These settings are managed in the 'More' screen of the app.
Notifications for Game Time Tweets are driven via Google's Firebase service, which will send and store a device identifier to enable this functionality. Please refer to Firebase's terms of service for details.
The app also uses Firebase Crashlytics and Analytics to monitor any crashes within the app, as well as how many people are using the app. Again please refer to Firebase's terms of service for details of the data captured.