Platform

Content Hub
Each application can expose content outside its sandbox, giving the user precise control over what can be imported, exported or shared with the world and other apps.
Push notifications
By using a push server and a companion client, instantly serve users with the latest information from their network and apps.
URL dispatcher
Help users navigate between your apps and drive their journey with the URL dispatcher.
Online accounts
Simplify user access to online services by integrating with the online accounts API. Accounts added by the user on the device are registered in a centralized hub, allowing other apps to re-use them.

Read the docs