Mobile Strategy Best Practices by Anthony Franco of EffectiveUI is a must read for anyone wanting to develop a mobile app and before you develop it.
“WHY” is the most important question you can ask. It is also the question that talks us out of a bit of application work too. We ask “Why are you building this?”, “What is the compelling business case for a mobile application?”, “Can this be accomplished through a well designed mobile site?” or “What are your customers demanding from you in a mobile application?”
Once you understand “why”, you need to make sure it is well documented. It can be a simple sentence, or a paragraph, but not much longer than that. I call this getting to the “reason for being” or the “Raison d’être” of the application. Defining the Raison d’être of the application will ensure the team is pointed in the right direction. It is something that should be referred back to when making decisions as to what to build and what not to build.
Read the full article by Anthony here