A content delivery system, a mobile subscriber terminal and method for mediated access to a data facade are generally described herein. In some embodiments, the mobile subscriber terminal includes one or more applications that may request advertisements, a mediator client, and a delivery client operating as a data facade that interfaces with a delivery server. The mediator client may generate an application profile based on advertising preferences of the applications and may register with the data facade using the application profile. The mediator client may identify, filter and select advertisements to provide targeted content in response to requests from the applications.