At the core of every good app is an idea. If you have an idea, you are good to go! Put your how to make money building apps for android on paper, sketch it out clearly. The idea behind this process is to make it tangible. In this sketch you would be defining the way your app will work, clearly chalk out all the features you want your app to. This way you gain a certain clarity before you start developing the app. Start sketching out the idea, build a list of features for your app, and see how your idea aps doing! It is natural for you to go a little overboard and create a long list of features but ask yourself one question for every feature. By doing this you do the things that are really important, perfect them, save time and eventually the app you make would in fact be more robust in the monsy of a setback. My tip here would be not to get carried away and add hundreds of features to your app. Let your app do just the one thing but do it perfectly. Often the app developers tend to und...