To send the message , select your phone number and click "Send". The application will send SMS to the question "whereareyou?" And your GPS coordinates to the selected number .
As soon as the subscriber will receive an SMS with the question "whereareyou?" And your GPS coordinates , the program ( on his phone) opens the map (Google) , and displays a red point at the specified coordinates . When you press this point displays the phone number from which the SMS message come . Next, the program will check if a phone number that sent the SMS request "whereareyou?" is in the list of " these people immediately respond , where I am" . And, if this phone number is listed, the program will send a reply SMS with the answer «iamhere» and with its GPS coordinates. When program ( on your phone ) received an SMS with the answer «iamhere» it will open a map (Google) , and display a red point at the specified coordinates .
For sending messages is always available a list of " My contacts list ", to the "List ". But there is a special list of " these people immediately respond , where I am", in which you can add phone numbers manually , filling the field " Phone # ", "Name" and pressing the " " and from "My contacts list » by selecting a phone number and press "Add" button .
The program must be installed on each of communicating with each other handsets.