Good point. If this is the case (not that likely as how would an iOS dev shop market itself if it could not market itself?!), then either a) paint broad outline

Good point. If this is the case (not that likely as how would an iOS dev shop market itself if it could not market itself?!), then either a) paint broad outlines of the specific coding you did (e.g. Live updating and synchronization of CoreData store over carrier pigeon network) or b) start building your own apps and marketing them.