You know of some program capable of realizing the framework of activities and methods of an application. I think the technical word is Wireframe. But most of all because of what was read in a post. What I try to do is the following:
I am a webApps developer, and I generally use Balsamiq Mockups, the program is practical, easy to use and has a friendly style, and contains templates for web and mobile, I hope it is your help.