There is more than one reason why its important to focus on an apps interface. An applications interface is actually a window into the application and its features. Which also allows the users to understand the functions that they can possibly gain from an application. If you wish to make tiktok like app then you must make sure that you are using the right set of colors and forms to create your apps interface. This will help you grasp onto the attention of your user. What are the other reasons to focus on an applications interface?