Samsung might be ditching Tizen for in favour of Wear OS for its next smartwatch

But changing the OS maybe difficult for Samsung as a range of health sensors like blood pressure and ECG could need new approvals.

from http://www.firstpost.com/tech/news-analysis/samsung-might-be-ditching-tizen-for-in-favour-of-wear-os-for-its-next-smartwatch-9335871.html