Vaadin demo business app and install on iOS
Solution 1:
Based on Simon's link (and my own link in the post), it looks like iOS does not support this easy install option, which means we have to either add a helpful message telling the user how to do it, or train them, at least until things change with iOS. I guess, at least for now, we will need to do something similar for the Samsung Internet browser (referenced in Simon's link), and for any other devices our users report not giving them the option.