The Arab Charter and the Arab Court are treated in great detail in the book by Ahmed El Demery "The Arab Charter of Human Rights: A Voice for Sharia in the Modern World", Council on International Law and Politics, Chicago, 2015 (available on Amazon).
there is 23 Arabic country, with many differences .. KSA laws drives from Islam (in limited and strict understand), other countries laws mainly is from British or french laws.
but, as all Dictator regimes, there is no real law in practice .. all is some (Red herring) ..
as i (and others) know, Courts in not independent in KSA, UAE, Bahrain, Qatar .. many killed in jail by torture .. without any responsibility in Bahrain, there is jailed person more than 15 ago without any judge in KSA ..
there is many resource in this topic, may Human rights activist in this NGOs help you.
I know that human rights records in these countries are not the best it can be but, in the course of my research in international law, I need some information about the Arab Court of Human Rights. I read somewhere that, on the 7th septembre 2014, the Council of the Arab League adopted resolution 7790 adopting the Statut of the Arab Court of Human rights which should be in Bahreïn. Since I don't speak arabic I can't find any info on the internet...