Rumors that Samsung may be switching to Google's Wear OS for its Galaxy Gear range of smartwatches have proven to be a false alarm. Samsung will continue with its custom Linux-based Tizen OS for its next-generation smartwatches and beyond.
https://www.notebookcheck.net/Evan-Blass-Samsung-to-stick-with-its-Tizen-OS-for-its-Gear-smartwatches.308352.0.html