Security Service

Hey, i live in a place with little security and people fear to walk in the streets alone. I would like to build an app that people could make people fearlessly walk on the streets, and if anything were happen with them our app would take care of it. For example, a woman is in a place where she fears her safety, all she need to do is start the app choose the "Close Quarter" option and if she doesn`t enter the correct password on the phone in the next 5 minutes (The time may be adjustable) we will call her emergency contact and contact the local police department giving them access to information like her last known whereabouts, or if the phone is turned on give them live feedback of where she is. The option i just listed would be free to use but other options like the theft prevention would need in-app purchases. The theft prevention would work like, if you see someone sneaking behind you and you open the app and choose this option, the screen would appear completely normal (like a regular lock screen) and when you entered the theft prevention password the app would close, to appear as you unlocked your phone. The police would be contacted and we would send them live feedback of the thieves location. The app could also have things like, if you get the iphone`s password wrong 3 times it will take a front camera picture and send live feedback of the person`s location. Many more things like this can be added and this is just a preview of my app. And instead of in-app purchases we could have a monthly payment or which ever seems more appealling to the public. I believe this a a MUST HAVE app since many people would love to increase their safety. I live in Brazil and would like to make it available in Brazil and USA with options to translate the app to at least 3 different languages (Brazilian portuguese, English and Spanish). This app purpose wont be to profit but to secure people`s safety, since this would be the only app in the app store to have such features. This app should only be available in the app store at first and if it expands i would like to add it to the google play store.