Possible workaround: view the page "as Desktop Site", it's usually available on most browsers and will show you the page as if your phone is a little browser. This should fix most problems I would think. Also, because you're not having to read anything for the quiz, it means you don't need to zoom in to see anything, just enough to see the map.
It was quite logically challenging to get this to function within JetPunk's restriction!
Well done, btw.