A. 1. Check the battery usage statistics in Settings > Battery to confirm Rook's battery consumption. If it's high, consider reducing the app's usage time. 2. Enable Low Power Mode in Settings > Battery to extend battery life while using the app. 3. Reduce screen brightness and disable background app refresh for Rook in Settings > General > Background App Refresh. 4. Close the app when not in use to prevent it from running in the background and consuming battery.