Large companies constantly generate new ideas, including the design of devices. Sometimes they are very interesting concepts. For example, in a recent patent describes how the smartphone vivo, portion of the screen which can rotate 180 degrees.
At first glance, the patent also describes traditional modern smartphone with an almost edge-to-edge screen and triple camera with reverse. But a unique feature of the apparatus is a rotatable lower part. Someone may remember the old Nokia phones Nokia 3250 and 5700 with a similar design. They also rotated the keyboard, only in vivo it on-screen.
The purpose of the turning of the screen is not clear. Another interesting element is a button or something similar to it from the bottom on the left side. It is possible that by clicking on it you can rotate the display.
Vivo plans to release such a smartphone is not known.