Your Keep&Share account comes with the following apps: Calendar, Files, Photos, To Do Lists, Discussions, Bookmarks, and Addresses. When you first open your Keep&Share account you may not see all of these applications showing up in your Navigation on the left-hand side of the screen. See the image below:
If not all of your applications are showing in the Navigator then you'll need to turn them on using the "Manage Applications" dialog. Follow the steps in the image below:
Turning on a Folder Set for the application that you want to see in your Navigator will turn on the app.