Here is a rollable touchscreen tablet with easily fits in your pocket. The MagicScroll has a 7.5” 2K resolution flexible display and 3D printed cylindrical body. It comes with two rotary wheels at either end of the cylinder to allow the user to scroll through the content.
As the above video shows, the MagicScroll can be used as a phone or dictation device. The prototype also has a camera for gesture control.