1, this APP can be in times of emergency calls, send text messages, e-mail contacts to default
2, this APP particularly suitable for children, the elderly, the sick, travelers and other people in danger all easily.
3, there is the mysterious Oh convenient features
4, this APP must know the users current location, allows the user to allow the app to get the current position, for proper use
5, preferably in a network environment using
6, the proposal should be placed in the dock APP convenient prop open quickly in times of crisis