Computer software services, namely, providing mobile telephone service providers with mobile telephone applications software, downloadable mobile telephone applications software, mobile telephone applications software delivered over the air, OTA, and mobile telephone applications software residing on a subscriber identity module, SIM, for enabling multiple applets to subscribe to an event between any combination of mobile, land-based or global communications network communications devices within a global communications network, and for enabling SIM profile functions, tracking subscriber SIM use, tracking event use, tracking subscriber use of SIM applets, and managing end-user SIM experience