Searching for this specific APK is a cyber-landmine. Websites offering a "direct download" of the full 1.8GB game for Android are almost exclusively malicious. Here is what you risk:

Ensure the game is updated to the latest patch (v1.04 for Zero Hour) and apply a No-CD executable fix if you are using an older disc version, as the emulator cannot read physical discs or handle complex desktop DRM. Connect your Android device to your PC via USB.

You can map virtual buttons to specific keyboard shortcuts. Essential keys to map include Ctrl (for assigning hotkeys), Spacebar (to jump to alerts), and S (to stop units).

Nuke General (massive destruction) and Infantry General.