Samsung tried to squeeze a lot into the new Gear S3 Frontier, from an LTE radio to automatic fitness tracking to a form of Samsung Pay that works almost anywhere. In general, these whiz-bang features work well, while an excellent user interface makes the watch easy to use. The underlying Tizen platform, however, means you won't find many great apps just yet. All told, the Gear S3 Frontier is a mostly strong performer with bad timing; with Android Wear 2.0 coming soon, you'd be smart to hold off on a purchase right now.