The present disclosure provides an information processing apparatus, an information processing method, an information processing program, and a terminal apparatus for offering information in more quantity and in further detail than before by having a plurality of devices linked with one another. The information processing apparatus includes a first device and a second device interconnected with each other. Application information about an application executing on the first device is acquired through a communication block included in the second device. Display on a display block included in the second device is controlled based on the application information.