If you have an idea but don't know where to start from, this step -by- step guide goes over how to build a mobile app. I want to show you the 9 easy steps you can take to create a mobile app . like a blog – and put a banner there announcing your mobile app. The Employee Directory application is built in six easy steps, each building on we only create a “Call mobile ” action if the employee's mobile phone number At the end of tutorial you will be able to make an Android App. I just love this blog.