I think moderator, admin can create quiz ( with some categories), users will answer it, the quiz's results will save in database and show in profile tab (as in your perfect tutorial). After that, people can share it via facebook, google+, twitter. I will purchase it if you make this quiz add-on...
I am following your tutorials and i really appreciate. I just wanna say thank you so much. So easy to follow and understand. I'm trying to learn something with MVC and xenforo because i want to create quiz addon. Some developers said they will try, but it has been a long time, no one has...
I have waited for a long time! Please write quiz addon. I love some quiz like quizdini.com, and for education, i think students will be interested if they can have some quiz, share their score to friends.