Tech giant Microsoft was reportedly working on a Surface device powered by a custom Windows OS before the firm turned to Android for its Surface Duo
The company was working on a version of Windows 10 Mobile designed for dual-screen phones code-named Andromeda OS; it was scrapped when Microsoft gave up on Windows Mobile.
Now, Windows Central has disclosed an early test version of Andromeda OS running on a Lumia 950.
As per the report, Andromeda OS was not designed for Lumia 950, but some Microsoft engineers used these devices to test parts of the operating system.
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The operating system retains a Windows 10 Mobile-style user interface that includes a tile-based Start Menu, Quick Settings panel, and Settings app.
With this OS, the user is able to begin taking notes directly onto the lock screen UI just by putting a pen to the screen.
In addition, Andromeda OS was also gesture-based. The on-screen Start and Cortana buttons would disappear when opening an app to provide a full-screen experience.
The brand was also working on Surface Neo, a larger dual-screen device powered by Windows 10X. That project ended with the cancellation of Windows 10X last year.
