You can choose a different graph type from the left menu.
To see you data in a tablet format, turn on the View Raw Data switch.
You can refresh the dashboard with the refresh button. You can change the auto-refresh interval (by default it is stopped and shows a pause sign).
You can save your query as a dashboard cell by clicking on the Save as
You can also import a dashboard from a file or simply pasting a JSON file.
You can also create a new dashboard from templates.
You can also clone your dashboard and change it for another need.
For these operations you need to open a dashboard (e.g. by clicking on its name in the Boards screen).