The preview allows you to preview an Activity before you start it. You can see what will appear on the screen of the participants of the Activity.
A "Preview" button is available at the top right of the :
Mission
Aventure
Quiz
Survey
Memo
When you click on it, the preview pop-up appears.
Widescreen / Small Screen Views
Switch between the two views to see what participants will see depending on the device they are using
Desktop viewport
Mobile viewport