The feature you needed to add some fun into your apps and launch your own Quiz apps.
Create quizzes for your users.
Create easily your own quizzes, and add as many as you want into your apps.
Award grades to the users who take the quiz.
Define grades depending on the percentage of correct answers or on the points earned during the quiz, it’s up to you. You can even add a description for each grade to make the experience more fun and playful.