Today’s Worldwide mobile operating system market is ruled by Android. Similarly, Google App store dominates the market while Apple App Store and Window App Store have a less mobile app in the market. As there is a competition between Big companies, there is a competition within companies as well, like, the individual market share of Android 6.0 Marshmallow and Android 5.1 Lollipop is bigger than Android 7.0 Nougat, for now. With the developing world and increasing competition for mobile app development, the users have a variety of choices to choose from, there is a wide range of Android devices of different companies with differing screen sizes, resolutions, and hardware features. Therefore, your App must be at its best, it must provide an optimal experience to the user to get and stay popular in the market. There are few tricks and tips that you can keep in mind while developing your app and deliver the competitive app.