What are you even talking about? PWAs are an option on top of an ordinary web app. I guess all PWAs can be opened in the browser without "installing" them. Also

What are you even talking about? PWAs are an option on top of an ordinary web app. I guess all PWAs can be opened in the browser without "installing" them. Also "competing with all other apps" is the fault of OS built-in search. Nothing to do with PWA