Game Input MultipleXer

I'm aware of all that, having done a little bit of research beforehand. However, we can connect a Dual Shock 4 to Android, correct? Can we not use a DualShock 4 in the same way on an Android device? What if the device were rooted? I'm only asking because I would personally find an Android version mu...

I've seen a couple of posts about Android support in the past but none of them mention the Bluetooth HID Profile API that is supported in recent Android versions. One app exists for the Switch to emulate a Joy Con or Pro Controller (JoyCon Droid), so perhaps it is also possible for an app to emulate...