I don't understand why people make so much noise about PWAs. Am I the only one that doesn't mind opening his browser and then clicking on a bookmark?
https://developers.google.com/web/showcase/2017/
Disclaimer: I work on Google Web DevRel, which owns developers.google.com/web
I don't use Android, but I've never seen this work using any browser on MacOS, Windows or iOS.
They'll even open in a seperated window.
Three dots > More tools > Add to Desktop