This app should be on the phone you want to track Send an SMS to this application and receive back the device location. The application enables a listener on the phone for incoming text messages, check whether the number is among those admitted, start the gps to find out the geographic location and responds with a text message providing the geographical coordinates, the id of the GSM cell to which the phone is currently linked and if possible, address (street and city), through reverse geocoding. It 'also possible to activate, remote, navigation of the phone's browser to a web address. The activation of functions are based on the text entered in the text message received. All functions are activated only if the text contains a password defined by the user. Is also possible to create a blacklist of phone numbers that are not allowed or a whitelist of allowed numbers only. You can use for fleet control, parental control, business management.