What's the use of this App:
When we met with any accident it would be easier for stranger to reach out for immediate help and much more depending upon the situation
Adding to it, direct calling is possible from home screen. Call to your loved ones in a faster way.
And you can choose the widget colours
The steps to have the widget on the lock screen is mentioned in the app under menu.
Added steps to get lock screen widget in lolipop versions and above.