Microsoft returned to the mobile market and launched its dual-screen phone Surface Duo in 2019.

On February 15, according to phone arena,Surface duo will be officially released in October this year.

Earlier this week,Developers have run a live event for SurfaceDuo to show the advantages of the app on a dual-screen phone in the hope that the developer will fit SurfaceDuo, however, SurfaceDuo unexpectedly during the live broadcast

As shown in the figure, the developers want to demonstrate that the Google Maps app of surface duo can be displayed on two screens, you just need to drag it to another screen.

However, when developers operate,Google Maps didn't show up on another screen, and the touch screen failed when developers tried to open it again.

Then the developer took another surface duo out of his pocket, and its touch screen failed, and there was no response to operating it.

It is reported that the surface duo uses two 5.6-inch displays. Unlike Galaxy fold, the surface duo has a hinge connection between the two screens, so the screens are not one.

Microsoft said it was working with Google to optimize the app to fit the Surface Duo's dual-screen, while calling on third-party developers to be able to optimize for Surface Duo's dual-screen.

In addition, at the time of the listing, Microsoft will have a stylus for Surface Duo to make mobile office on its phone.