TRA has released data about the mobile landscape in UAE for Q2 2013. It provides details on manufacturers, device specific (both smartphone and all phones), Operating systems and application stores. As a bonus TRA's Q2 report also includes data on social network usage although it's not clear if this usage is mobile-only or it includes desktops as well. See full report at http://www.techview.me/2013/08/tra-releases-uae-mobile-landscape-report-for-q2