https://www.developer-tech.com/news/2019/oct/03/microsoft-dual-screen-surface-devices-windows-10x-devs/

Microsoft has announced hardware due for release next year in a bid to recruit developers for Windows 10X, an OS designed for dual-screen devices.

Both of the new devices, Surface Duo and Surface Neo, have dual-screens and represent what Microsoft believes is the next popular form factor. The former is a futuristic smartphone, while the latter is designed to be a laptop replacement.