Bin Laden was "from" within the borders of the Saudi Arabian (Sunni) state but he was a Shiite pan-islamist and a lot of Al Quaeda's support came from Iran, a major enemy of Saudi Arabia.
This is just to say it's much more complicated than "Saudis did 9/11", and maps like this grossly oversimplify things when they put Arab peoples into the types of cultural boxes westerners are used to seeing. It doesn't apply here.
On Android it's easier to just use the version in the Firefox add-on store:
https://addons.mozilla.org/en-US/firefox/addon/bypass-paywalls-for-firefox/