1. A mobile device, comprising: a communication interface system, including at least one wireless communication transceiver; an image capture sensor; a user interface; a processor coupled to the communication interface system; a memory; and a content overlay manager program stored in the memory, wherein execution of the content overlay manager program by the processor configures the mobile device to perform functions, including functions to: obtain a file containing one or more images; process the file to identify a keyword within the file; upon identifying the keyword within the file: determine whether the identified keyword within the file matches a pre-stored keyword in a keyword match database; and upon determining the identified keyword matches the pre-stored keyword in the keyword match database, overlay content associated with the pre-stored keyword onto a respective image of the one or more images, the overlay location corresponding to the location of the identified keyword within the file; and present, via the user interface and to a user of the mobile device, the respective image with the overlaid content.