To create an application, you have to find a relevant idea that meets a need or solves a problem. First of all, study its potential market, who are its competitors, and define its user profile. If you find your idea great, but there is no one around to use your app, you will have wasted a lot of time and possibly money. Before creating any app or to learn how to create mobile app like Shareit, make sure to use latest technologies to make your app convenient and demanding. What do you think about it?