System for providing application and management service and modifying user interface and method thereof

In a method for receiving an application from a server and providing and managing the application in a system connected through a wired/wireless network to the server for providing a subscriber interface module (SIM) card and managing the SIM card, an application providing and managing method using a SIM card, comprising:

• a) detecting a SIM card installed in a client mobile terminal, and reading a proper application ID stored in the detected SIM card;
• b) transmitting the read proper application ID to the server through the wired/wireless network;
• c) downloading a single application selected by the client from among at least one application presented by the server from the server;
• d) establishing the function key that corresponds to the downloaded application on the client mobile terminal according to the client's selection;
• e) modifying a drive screen displayed when the downloaded application is performed, according to the client's request;
• and
• f) driving an application that corresponds to a clicked function key and concurrently displaying the modified drive screen when the established function key is clicked.

In a method for providing an application to a client mobile terminal and managing the application in a system connected to the client mobile terminal through a wired/wireless network, an application providing/managing service providing method using a subscriber interface module (SIM) card, comprising:

• allocating a proper ID to at least one application, and storing the allocated proper ID in the SIM card;
• checking whether the application ID received from the client mobile terminal is a normally allocated proper ID;
• and
• presenting at least one application according to checked results, and providing a single application selected by the client from among the presented applications to the client mobile terminal.

In a recording medium including a method for receiving an application from a server and providing and managing the application in a system connected through a wired/wireless network to the server for providing a subscriber interface module (SIM) card and managing the SIM card, a computer readable recording medium including a program, comprising:

• a) detecting a SIM card installed in a client mobile terminal, and reading a proper application ID stored in the detected SIM card;
• b) transmitting the read proper application ID to the server through the wired/wireless network;
• c) downloading a single application selected by the client from among at least one application presented by the server from the server;
• d) establishing the function key that corresponds to the downloaded application on the client mobile terminal according to the client's selection;
• e) modifying a drive screen displayed when the downloaded application is performed, according to the client's request;
• and
• f) driving an application that corresponds to a clicked function key and concurrently displaying the modified drive screen when the established function key is clicked.