This functionality is available only in the Server version of the App. The following page doesn't apply to cloud users.
More information on the differences between cloud and server versions of the App can be found here.
Working with your tasks can be much faster if you could reduce the click rate. Go pro and save time by learning the Keyboard Shortcuts.
Using the shortcuts you can quickly perform basic operations.
Displaying shortcuts
The shortcut dialogue box can be displayed by pressing '?' ('Shift + /').
Wallboard mode - hide/show the Jira header and the App navigation sections.