For this application below mentioned service required :
1> Network Connectivity
2> GPS should be on and in stable condition.
3>Device must be SIM base.
Functional Details of the Application:
While opening the app click gear icon at the right top box.After that you have to go to "contact settings" page to include the preferred number,name and message content.However,this process is for the first time app user.From second time,pre-configuered message will go to the pre-scheduled location/receiver.