"In any case, both of those still require having the Android device registered with a Google account."
Not exactly. They require having _an_ Android device registered. As long as you've once registered a device, it will stay associated with your account. It doesn't have to be the same device as the one onto which you want to install the downloaded APK.
Not exactly. They require having _an_ Android device registered. As long as you've once registered a device, it will stay associated with your account. It doesn't have to be the same device as the one onto which you want to install the downloaded APK.