As the main screen for your app, it's important to choose the right layout for your Home Screen. Each layout has a Welcome Slider to present welcome messages and various custom tiles.
Under Layout in the Content tab, you can choose the layout of the app’s home screen. For the basic app that you’ll create, your home screen layout should include the welcome slider and 3 or 4 other tiles. Once a layout is chosen, you need to define each tiles of your home screen.