The Microsoft Band is a pretty interesting wearable device. It may not be an Apple Watch killer but has plenty of sensors and lots of potential. With the full release of the Microsoft Band SDK, developers can develop solutions to unlock the full potential of the band. They will be able to build apps that support windows, create custom layouts, make their app Microsoft Band compatible, and more.
The Microsoft Band SDK supports four platforms, including Windows, Windows Phone, Android, and iOS. You can find out more about the SDK here.