CWilliamL, Feb 7, 2019 : Who are the users? Those who want to open camera app when using the phone as quick as possible. What is the proposed function? To open the camera app faster when the user want to snap a photo in a short time. What is the user value? To let the user snap the photo they want but not miss due to complex control to open camera app. How to use? You can enable this function in the setting. Those user who don't like this function may disable it. To quick launch the camera app. Go to homescreen. turn your phone 90 degree There will be a pop up screen asking user want to open the camera app or not press the pop up screen if user want to open camera app after opening the camera app, the camera app default is using rear camera because most time we want to snap a photo from what we are seeing.