When you Select the Dashboard in the Menu, it will start automatically with viewing the items in full screen. Click on the grey upper-left icon to bring back the menu.
It is possible to configure up to 10 pages of dashboard items, here is an example where the pages will rotate with a interval of seconds, set for each page separately.
Also you can set for each page how many columns you want, the height of the Items, which Items in which page, etc.
The configuration of all these settings can be done via Dashboard Settings.
Each user can configure it's personal Dashboard, by the Add Dashboard functionality.