Something similar to this?
Lol.. not just that, it has only few keys; even those are not aligned :D
Though it's a good idea, OnePlus 7 is likely having a slider camera so you don't have a camera fitted in/under the screen.
Ohh! Thanks for letting me know. But anyway, it's Dell exclusive.
Who are the users?
Everyone who wants to answer/make calls from the desktop.
What is the proposed function?
Show an incoming call notification on...
You can download it from the same link: http://downloads.oneplus.net/oneplus-3/oneplus_3_oxygenos_4.0.2/