paul wright not sure this one is still valid. We do link to docs from the showcase apps but they link to specific documentation for each of the services etc.
There is a section for Showcase Apps here: https://docs.aerogear.org/aerogear/latest/showcase-apps.html which starts with setup.
The user would be past that step if they had the app set up to link out from.
There are some troubleshooting steps around certs and a section to the bottom about what features for each service are demonstrated