ZTE Axion smartphone foldable design

With the ZTE Axion smartphone foldable design ,  it may soon be the case where smartphones are able to provide a large screen(15.6 inches diagonal) for us to watch and play our favorite movies and games while maintaining a pocketable size. That means the screen can be folded and unfolded .  When the screen is unfolded it should be able to display  a  15.6 inches screen size diagonally .