Track My Kids at Google Play market analyse

Track & locate your children by installing this app on your kids' Android device and simply texting them "@". This app will then return the exact geolocation (latitude & longitude) and address of the Android device. The parents can use any phone capable of sending a regular text message (SMS text). An Android device with GPS capability and cellular phone service with SMS texting are required for install and use. This app does NOT keep data on your children's location.Configuration and use involves the following simple two steps:
1)Click on the "permission" button and choose the contacts who would have access to your kids' location.
2)Send a regular text (SMS text) of "@" (no quote) to the the Android device. If the sender is part of the permitted contacts, then the app will send both the geolocation (latitude & longitude) and the address of the Android device.