While not exactly the same, one can use a tablet in a vertical orientation with an external keyboard: https://daringfireball.net/misc/2020/03/ipad-pro-vertical.

While not exactly the same, one can use a tablet in a vertical orientation with an external keyboard: https://daringfireball.net/misc/2020/03/ipad-pro-vertical.jpeg https://daringfireball.net/misc/2020/03/ipad-pro-vertical.jp...