I was recently reading Fragments( haven\'t used this in my app though) and learnt that it can be used in phones app development.
I am thinking about using Fragments to
IMHO, fragments are the controller. The fragment's basket of widgets represents the view. Activities are an orchestration layer, determining what fragments (and their widgets) are needed in a given circumstance (e.g., one on a phone, two on a tablet) but otherwise having limited business logic.
That being said, Android and patterns like MVC don't necessarily go together. I don't think that Google's intention was to create a pure MVC framework.