A system and method that utilizes a protective sensor-interface apparatus, which removably connects and interfaces to a mobile electronic device, enabling users to more readily access and engage mobile content and data. The present invention provides a method and device wherein the user interfaces with digital content by using touch-sensitive areas on the back and sides of a protective case that interfaces with the mobile device, the software application and other users. This enables additional features that can be customized by users and developers for enhanced sensory experiences and digital rights management by creating components of a separate environment that exists in the case.