HereIM

This app is intended to help people to share their location during an emergency and stressful situation (e.g. chased by a stranger, physically in danger, or any other kind) easily where they may not be able perform these operations quickly.
It is relatively easy to use, record choose your relatives or friends contacts from the phonebook and leave the rest to the app.
It can collect your current location and with your single hit the SOS button, it can send your locations with a warning over SMS to the contacts you choose.
The app never need to create any user accounts, you just simply enter your name and choose contacts that must be informed when you are in trouble.
You can use it as a simple flashlight with blinking mode on 3 different speed levels. Addition, SOS blinking patterns can also be used rather than sending location just to atract attention from far away during emergency situations.