Terminal device, a server device, information processing method, a program and the interlocking application delivery system,

Disclosed herein is a terminal apparatus, a query generation unit for generating an extraction unit for extracting a signature data representing a characteristic of the content from the content reproduced, a query containing the extracted the signature data, generated the query sent to the server apparatus, a communication unit for the server device receives the response sent back in response to the query, and obtains the corresponding application to the application identifier included in the received said response executed and an application execution unit that.