I use Fennec F-Droid with a custom addon collection for true extensions on Android. (There is a view source one, btw, and I now have an entry for it in my menu.

I use Fennec F-Droid with a custom addon collection for true extensions on Android. (There is a view source one, btw, and I now have an entry for it in my menu.) While I have used custom ROMs before, this is all on a stock ROM Android phone. Any can do it. That's the beauty of it.