In the current day and age, it is no longer a case of asking whether to focus on mobile app marketing or not. There were almost 1.3 million apps available on Google Play in July 2014. Similarly the number of apps available on Apple App Store was 1.2 million. Cost per install, also known as CPI, increased too. How do you make sure your app gets its time in the spotlight? This is where mobile app marketing comes in. It is a complex process, but if you follow certain guidelines, this process becomes as simple as ABC.