Methods and apparatus provide for downloading application software from a server, including: downloading the application software from the server, where a first application software file contains only a portion of the application software, and a second application software file contains more than the portion of the application software; executing the application software and generating application images based thereon, where execution of the first application software file contains enough of the application software to execute a limited amount of the application software; and displaying the application images on a display screen based on the execution of the application software, where the acquisition unit begins downloading the second application software file in a background process after downloading the first application software file and at least partially during the execution of the first application software file.