GPS locator will let you know the location of a mobile phone just sending one SMS to that cell phone.

Only one android cell phone is needed, no 3G/internet is required. The application send the location through a SMS, but also include a link to google maps with the location marked on it.

Use your old android phone as a car locator GPS, just let this old phone on your car, and turn off the ringtone.

Install on your children phones to know where they are.

Even if you install it on you own phone to locate your lost phone(or stealed phone)

Totally safe, only the authorized phone number can receive the location when the SMS include a "secret word",
Advice, use a uncommon word, like kissses
ie: "Dear Mary, how are you? kissses.

NEW FEATURE
Location alarm trigger. Now you don't need to send a SMS to query the location of the cell phone, you will receive a SMS when the cell phone is near a "hot zone", like a bad neighborhood, swamps, cliffs....
You can enable or disable this feature, give a name to the location
to remember and set the radius of the trigger zone(100,200,300)

To get the latitude and longitude of a location use google earth or google maps,right click and choose "What's here?" menu.

Limited to 2 SMS per day to avoid continuous SMS as the phone enter and leave the "Hot point"