There is described a user mobile device and an enterprise gateway for providing dynamic building interfaces. The gateway receives a request for cards from the device, and the device receives the cards from the gateway in response to the request. Each card has a structure corresponding to one of multiple pre-defined templates. Each card has an assigned rank and is associated with a list of cards defined when the cards are ordered in accordance with the assigned rank. The assigned rank of each card is based at least in part on a user target profile associated with the user mobile device and the customer identification. The gateway comprises a processor that determines an assigned rank for each card based at least in part on a user target profile associated with the user mobile device and the customer identification. The device provides at least one card of the list of cards.