The app currently has the following features:
General account overview, The ability to browse your characters including wallet, bank storage, and account inventory, On character pages, players will be able to see equipment and character-specific inventory, Other features include background synchronization, local database caching and adjustable update rates.
There is a whole host of features still to come including PvP statistics and league play tracking, material storage, item price history / market statistics and a Trading Post watchlist.
Speaking on Reddit, the apps creator, FirePrufe, has said:
The Guild Wars 2 spring update has just been released with more content and improved gameplay.