If you are having trouble seeing the quiz on your mobile device, there are a few steps you can take to troubleshoot the issue.
Understanding how a Quiz works:
A quiz within a video is represented by a yellow indicator along the video timeline. The yellow indicator will be visible along the media timeline when the video is playing.
On a mobile device you can select anywhere on the video player for the media timeline to appear. A quiz is set to load an exact time within the video. Due to the width of the mobile device, it can sometimes appear that you are watching where the quiz should be appearing.
Here are some suggestions that may help resolve the problem: