From entertaining games that promote creativity and learning, to utilitarian apps that organize your to-do lists, controversial apps that help you spy on your spouse, and even life-saving apps that monitor your heart rate, if you dream it, you can find it. Because there appear to be inexhaustible markets for online apps (ever hear of iFart and ZitPicker?) – many developers have been led to believe all they need to do for an app to be successful is to… build it and they will come.