Samsung made the old promise – introduced the first folding smartphone

This new technology is called Infinity Flex Display.

During the presentation, the developers were happy that the new smartphone has two screens. One is the usual size when the phone is closed and twice as big as the phone, even at 7.3 inches.

In order to fulfill their old dreams, creators had to invent entirely new materials. To wrap the phone without affecting the screen, it should have been very slim and elastic. A large screen can work with multiple gadgets at once.

"It's a brand new way to use the phone," spokeswoman Samsung Justin Denison said during the presentation.