One of the more useful troubleshooting tools (granted when used properly and not with a knee jerk approach) is waits. There are waits in SQL Server that are very specific to Extended Events.
A day in the Stream
Explore the little function called sys.fn_MSxe_read_event_stream and discover just a little bit more of what Extended Events may be doing behind the scenes with the live data viewer.
Hidden GUI Gems
I have a few gems that are available to you in the GUI. These gems should help solidify your understanding of the tools available through the GUI to help work with Extended Events
Filtering Logged Data
Explore how to customize the view of the GUI for working with XEvent Log files or XEL files. This further customization does include working with filters.
Customize the XEvent Log Display
Explore how to configure the XEvents GUI with specific views to suit your needs and tastes for data display by adding, removing or changing the column orders.