2-screen smartphone

LG launches G8X ThinQ, a detachable 2-screen smartphone
the lg g8x thinq is a dual-screen mobile device thanks to a special accessory that houses the second screen.
Nubia X: Unique Android smartphone with 2 screens, 2 fingerprint sensors
smartphone with dual screen on the front and the back is not new, but the 5.1-inch back screen, nubia x from zte, china is the first product.