Using custom apps you can engage attendees in the stages by allowing them to participate in activities using apps such as surveys, polls, quiz games, and more. These apps are shown in an inline frame (or iframe) inside the sidebar.
You need an active account with the custom app you intend to use. Zuddl does not provide this support natively.
To add a custom app:
From the left navigation, go to Venue Setup > Stage.
Select Advanced on the tab bar.
Under Attendee Engagement, click on the Choose and add features button.