To add some additional detail for clarity. When you go to details and grab the web link it takes you to the app which shows the gallery and the app. I'd like to be able to take my users to the app in new form state.
On the app OnStart(), you'll use a Set() to grab that param like this
Then you can use it as you please. You don't necessarily have to collect it if you don't want to since you're just using it to navigate at the beginning of the app, but I'd consider this a best practice in general.