Python programmers can program with QPython to implement the WEB APP
In computing, a web-based application is any application that uses a web browser as a client. The term may also mean a computer software application that is coded in a browser-supported programming language and reliant on a common web browser to render the application executable. ... More detail
Contrast with other Web App solutions, QPython extend the the HTML5's programming abilities like File IO/Persistent storage/Socket etc with Python program.
You can make your android devices work easily through qpython.