App Store Optimization (ASO) and it's importance?

With over having millions of mobile apps in major app stores, getting your app discovered by users is the very difficult job or biggest issues facing mobile app publishers today. If you are mobile app publishers, you have to know or understand the different techniques for marketing your mobile application. The biggest question for app publishers is that how to handle this problem to get discovered in app stores. The answer is App Store Optimization (ASO).