While you are right that the V20’s implementation was limited use, it added an ease of interaction with notifications and controls you mentioned.
I’d argue a 10% screen share implementation is limited use as well though. The article even spends a lot of time talking about how you can’t see much on that sliver of screen, it’s just an easy way to swap between apps - which we can already do by double tapping the square button.
I’m not sure they’re really comparable.
That phones 2nd display was: 1040x160 pixels
The main display was: 2560x1440
~4%
The 2nd display also couldn’t display another app, but was limited to:
And didn’t allow inline replies or ‘normal’ notification features (at that time it was Android 7).
The one perk that phone did have was that the 2nd display could be on while the main screen was off.
While you are right that the V20’s implementation was limited use, it added an ease of interaction with notifications and controls you mentioned.
I’d argue a 10% screen share implementation is limited use as well though. The article even spends a lot of time talking about how you can’t see much on that sliver of screen, it’s just an easy way to swap between apps - which we can already do by double tapping the square button.