"Identifiers: your IP address, advertising ID, HTTP header, MAC address, device ID, third-party app IDs (apptoken), unique MGS ID, country and city level location data and device information (such as model, brand, language, and operating system). We may automatically collect information or generate Information about you when you play the Games, as well as Information about your device such as battery, Wi-Fi strength, device manufacturer, model and operating system, and the amount of free space on your device."
The policy collects MAC addresses, advertising IDs, HTTP headers, battery status, Wi-Fi strength, and free disk space — device telemetry that goes well beyond what is needed to run a mobile game.