Is it possible to create applications that do not require installation on a mobile device?

Question

Android

Is there a project (service, technology) for creating applications that do not require installation on Android or IOS? Android solutions are desirable as they are more free, testable and open.
Possibly using WEB-technologies.

Answer 1

Progressive Web Applications ? _ _

Answer 2

Umm... of course!
On telephones, the world has not converged like a wedge.