As of today the official World of Warcraft Armory app for WoWCN has been released for both iOS and Android Phones.
Here's the download link to the article from the Official Site:
The App supports CN/TW/EU/US/KR realms and languages such as English, German, Spanish, French, Russian, Korean, Portugese, Italian, Traditional and Simplified Chinese.
Functions such as Remote Guild Chat and Auction House are now available free of charge
There is also a reminder when the next battle for Tol Barad starts on each realm and what faction controls it at the moment.