I would recommend building each page as a separate project (unless you are sharing a lot of components across these pages). In that case I'd recommend a single project and then editing the html pages in another IDE.
I have the same case in my project, I want to develop an app and i've already designed two views at the same level (2 form.panel). In the first one there's a tab.panel which is divided into 5 tabs according to my needs, so the 3rd tap has a dataviewlist that will be filled up with jsonP data, the thing is when the user tap at some record i want it redirects the app to my second view, that is to say, my second form panel. How can i do that?