State the features and functions of the app

Once you’ve determined your objectives, the next thing is to define the features and functions of the app. This will be the scope of the app. At this point, you must be creative to determine the features and functionality that your app needs to help you reach your objectives.
You might want to consider features such as social sharing, eCommerce integration, chat feature, push notification, contact forms, etc., for your mobile app. Once you have a list of features to include in your app, this will guide you through the process of creating the app.