Samsung Patents a dual-screen display Smartphone!
This smartphone would have just 2 screen wich you can fold and then have a screen on bolth sides or join them togheter by folding it out. With that you get a "bigger" screen.
Offcourse the question is if you want something like this seeying how it would have a small line between the 2 screens.
Offcourse we known that most Patents won't be used and are just to have when they might think this would be a good thing to use.
Also this idea has bin used before in a other phone and it was a big failure. And honestly i don't see any future in a device like this