This app is a road lane assist app to be used as a driver assistant in cars.The app has also obstacle (car and pedestrian) detection feature too.The mobile phone has to be fixed on the windscreen with a mobile phone holder for cars. It has to be made sure that the mobile phones back camera faces the road ahead.You can use a cheap old mobile phone an turn it to a lane detection system.It is a good habit to use a phone charger for cars, because the screen keeps the screen of the phone always on and can drain the battery of the phone quite quickly.The app does not collect any user data.Use the app on you own risk. We do not take any responsibility if the app functions incorrectly, or a driver makes a collision, or will have other problems in traffic, during driving.