Hey, is it possible to export a game to a hacked psp?
I doubt that there is an official way or "exporter" for that, the console is just too old.
If you're really up for it you could try to load a website using the browser (I think the PSP had a browser app).
When it runs fine using the browser you could try a workaround by creating a native PSP ISO and using one of the many webview libraries to load a website.
Since you use a hacked PSP you should know how to install custom ISO's as well. Either way it will be a buggy mess because a lot of web-based features will not be supported.
Might still be something you could try out in your freetime, I'm sure that there are a lot of ancient forums about how to do the things I mentioned above.