Call of Duty: Modern Warfare 2 is not officially available for Android devices. The game is available on console and PC platforms, such as PlayStation, Xbox, and Steam. However, I'll provide you with some alternatives and possible ways to access the game on your Android device.
Please be cautious when using third-party sources or APK files, as they may compromise your device's security. Always prioritize official channels and reputable sources for gaming content.
While there are no official ways to download Call of Duty: Modern Warfare 2 for Android, you can explore cloud gaming services like Google Stadia or NVIDIA GeForce Now. If you're looking for a mobile gaming experience, consider other Call of Duty titles, such as Call of Duty: Mobile, which is available on Android.