I hadn’t considered it, but it seems very possible. I can think of some UI tweaks that would be needed to make the game work nicely, but getting an APK build might be literally 15 minutes’ work.
Can you give more information about why you would think the executable contains a virus? I develop and build on Linux and only test the Windows builds in Wine. What I upload is the untouched output of Godot's automated bundling process.