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[Q] How do you deal with Portrait HDMI Mirroring?

As those who have mirrored their Transformer's screen before over HDMI, you all know the bottom 80 pixels of the 1280x800 resolution screen are cut off. In landscape, this is as ideal as it gets to display 720p video and avoid the software buttons.
In portrait mode it's a different story though. You're now cutting off 80 pixels of game/app on the left side and displaying your buttons/status bar. Is there a way I can change the screens resolution (not LCD density) so applications that only run in portrait will respect the 80 missing pixels? Or make my tablet output 1280x800 so I'm not missing anything on screen?
Alternatively, is there a way to force these apps to be landscape? The majority of these apps in question actually play in Landscape, but set the screen to portrait for some reason. Thanks for any suggestions.

Always on display clock change doesn't apply to the lock screen?

So, if I change the always on clock to the one that has numbers horizontally and all the same size, it works as expected on the always on display, but the lock screen stays the same. Is this a bug or is there a way to change the lock screen clock independently? Thanks!

Can't change screen resolution in display setting

I can't change my screen resolution and toggle smart resolution...
Help appreciated

How can i change screen resolution only in height?

Hello, I have Samsung Galaxy S6 Edge+ which the sensor at the bottom does not work. (Picture for example). I wonder if it is possible to change the resolution only in height? I tried to change the resolution via adb and change it up and down and I just want the lower part to go up and the upper part to stay the same.
Phone is not rooted.
https://imgur.com/Nr9v84g
I want like this (if its possible)
https://imgur.com/G2CHhQi

To me it looks the screen is defective.

Question flickering bar on the screen

A thin vertical flickering bar appears in the middle of the screen when 60Hz is enabled and the screen resolution is 1080p. This can be seen against this background and at maximum brightness. do you have problems with this background? The band is barely visible if you turn on 120 Hz and 1440p. On a yellow background, a white stripe is barely visible. It does not exist on other backgrounds.
Video of flickering stripe