https://www.cnet.com/news/dell-dual-screen-windows-10-on-arm-device-might-be-in-the-works/

A dual-screen mobile device project from Microsoft thought to be abandoned may have been snatched up by Dell, reports Winfuture.de. 

The device, which resembles Microsoft's Courier and Andromeda projects, was seen in documents by Winfuture.de and details a Qualcomm Snapdragon-powered Windows 10 on Arm device codenamed 'Januss'. The site also suggests it would be the first device to use an unannounced Snapdragon 850 processor.