Video: Attendees' Guide to the App DoubleDutch Support December 21, 2017 17:20 Updated Follow This video is an introduction to the DoubleDutch app and provides an overview of the available features. Related articles Troubleshooting FAQs What is the Leaderboard? Creating an Icon on your Blackberry How do I add something to "My Agenda"? How does "My Agenda" work? Comments 0 comments Please sign in to leave a comment.