<Android - Open app when device F10 key press> We ...

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Android - Open app when device F10 key press
We built a USB device (Type-C) that connects to Android phone using charging input and pressing the F10 key on the phone.
What I am looking for is to listen for a USB device and F10 key. When these detect our app must launch. (I think I can listen for USB using Broadcast receivers)
Note: This must work in the background even when the phone is locked.
My question is how can I listen for the F10 key when a USB device connects to the phone?
Be aware that I want to open our app when the above...