[joking]

not only in the stores, widgets and general integration with the os (like actionable notifications etc.) are one of the things that make native apps a necesity. To appear in the widget screen in ios or make a homescreen widget in android you must have a native app.

[Ajedi32]

Actionable notifications have been a feature of PWAs in Chrome for over a year now: https://developers.google.com/web/updates/2016/01/notificati...

[ehsanu1]

That's progress, but that's not exactly a home screen widget. Eg, I can see "20C" and an icon showing it's rainy right on my phone's home screen. I don't think you can do that with the web yet, hopefully people are working on it.