I believe that if the user uses a link in the browser itself, which can be accessed and placed, he can create an icon on his Android that works as if it were an app, except that it is an emulation of the website. I believe that it is an alternative until there is an app in its own right.
Sorry! But, what you have said is not easy for me to understand as I am unable to comprehend how a user can get access to the website which is blocked by the ISP. Please, if you can share more detailed information as your reply can help a lot of active users understand how to get access to the platform when the URL is blocked by the ISP.