Watch the video on the WWDC site. The Workflow demo runs from 36:10 to 43:05.
Workflow is an outstanding app even without its excellent accessibility support, but that’s what they got the award for. It’s nice to see Apple rewarding this effort. ADA host John Geleynse:
Workflow sets the standard of what apps should be doing in terms of adopting accessibility, to enable these apps to be used by people with vision impairment.
If you want to learn more about supporting VoiceOver and other accessibility features in your app, start with Matt Gemmell’s excellent article.