In the new dashboard of the app, you will get a summary of all your available portals.
You can navigate to any content across the portals by clicking on any of the items.
If you click on an upcoming meeting, you will be able to view and download the meeting content.
When you have selected a portal from the list, you will see the content specific for that portal:
When you are inside a portal when viewing on iPad, you can view the side panel to access different areas: