Although watchOS 2 and iOS 9 won't be available for another few hours, several apps that include new watchOS 2 functionality have already been approved for distribution on the App Store. One such app is Star Walk 2, the sequel to the groundbreaking astronomy app for iOS.
StarWalk 2's iOS 9 and watchOS 2 update includes support for in-app Spotlight searches on iOS, Slide Over and Split View on the iPad, and more. But in this post, we want to concentrate on one thing in particular—third-party Apple Watch complications. How do third-party complications work, and how do you use them? Take a look at our video walkthrough.