Development Process of Website & Mobile App 1. Discover your unique idea All popular web and mobile app development agency you know are totally originated from their founder's vision. The market has around 350 billion app downloads worldwide and it's increasing more by one’s idea. 2. Market research Before implement your idea, you need to research that the idea which you have is already built or not, this app idea really adds value to customer’s needs? How you are going to earn from this website or mobile app? You need to target the right audience with your geographic region.