Guides
Publishing
When a link is enough
A QR code to a kept-up page beats an icon nobody updates. Install the app when people come back or you need a push.
What to test before you call it finished
One real route, on the phone you will actually hand to a visitor, after the app has been closed and opened again.
Store accounts, and the version that is just a link
Apple and Google accounts belong to the organization. The browser version does not need either of them.