The United States Patent and Trademark Office has published a patent application filed by Google Technology Holdings LLC for an "electronic device having pivotably connected sides with selectable displays." This could be a joint project with Motorola, as some of the drawings included in the application show the company's famous batwings logo.
https://www.notebookcheck.net/Google-and-Motorola-could-be-working-on-foldable-phone-with-selectable-displays.385046.0.html