The request is for full Arabic language support in Meta Quest and Horizon OS, including complete Arabic localization of system interfaces, RTL UI support with mirrored layouts, Arabic virtual keyboard, bidirectional text rendering and input, Arabic search and text entry in the Meta Horizon Store, Arabic support for Meta AI including text and voice interaction, Arabic voice recognition and speech services, and localization of notifications, accessibility features, and help content. The request specifies Modern Standard Arabic as the primary system language with regional Arabic speech varieties for voice/AI services.