The ring he wears is actually a coiled snake ring not Arabic writing. Which would mean that the all important ring he wears signifies his allegiance to the devil and not islam.
http://www.amazon.com/Obamas-Ring-Satan-Will-Clark/dp/1483946355/ref=sr_1_1?s=books&ie=UTF8&qid=1424720130&sr=1-1&keywords=obama+ring