Samsung has patented a device known as the "Galaxy Z Fold Tab" on the rumor mill. It seems to confirm that the OEM is planning to launch an inaugural tablet with 2 hinges and that can fold in a number of ways to give a number of modes. Some new renders might hint at how such a device might look and work in the real world.
https://www.notebookcheck.net/Samsung-might-be-closer-than-ever-to-launching-its-first-ever-multi-folding-tablet.542717.0.html