Help me, Obi-Wan Kenobi. You're my only hope. This article or section is in need of referencing per Wookieepedia's sourcing guidelines. This article needs appropriate citations. Help us improve this article by referencing valid resource material. Remove this notice when finished. J-0S4 was a protocol droid who sold items made by Binary Star Realty on Carrick Station. Behind the scenesEdit J-0S4 first appeared in Star Wars: The Old Republic: Galactic Strongholds, a expansion produced by BioWare for Star Wars: The Old Republic. AppearancesEdit Star Wars: The Old Republic: Galactic Strongholds (First appearance) Retrieved from "https://starwars.fandom.com/wiki/J-0S4?oldid=8213420" Categories: Legends articlesPages needing citationMasculine programmingProtocol droids Community content is available under CC-BY-SA unless otherwise noted.