After you download it, you can use it to create drawings or use a drawing on any picture you take.
The video shows how you can make a note on the picture you just took. It is fun.
Dr. Z will continue this series with different apps.
Dr. Z cares about your communication access.
Disclosure: Dr. Z (Philip W. Bravin) is associated with CSDVRS, currently its Vice-President of Business Development and Outreach.