Designers came up with the concept of M-Phone device with a screen with two windows. Why is there such a thought? Today high-end smart phones and even smartphones middle segment get large displays and processors. Power from such smartphones often to excess. How the use the full power – simultaneous operation of multiple programs. But to move from one program to another, you need to make two or three manipulations.
Concept of a smartphone M-Phone is endowed with extended display (very similar to the ratio of 21:9) and a movable metal slider bar that divides the screen into two parts, it gives an opportunity to display two applications. For example, in a "window" displays a web browser, and in another – Skype. I wonder?