This is an Interesting little 1 minute video that I found on the web. It takes you through the advantages of having a Tizen based Samsung Gear S or leaving your Smartphone at home. You have fitness capabilities as well as an App store that you can download applications that are suitable to you and your lifestyle.
Video
https://www.youtube.com/watch?v=j4UZAGJ6pSE
Is the Samsung Gear S suitable for you and your lifestyle?