Seems better to have some sort of “app” that installs it for you. Like a mobile browser with one giant button to add to your phone
Discussion
I think we could probably do a native Android thing. See: https://github.com/GoogleChromeLabs/bubblewrap
But I wouldn't want to do that. You should eat your own food and make the PWA app store a PWA.
A pwa to “install” pwas
One pwa to rule them all! 💍