One of our clients is a genealogist who examines archived (old) documents that have been typed with a typewriter. When she is conducting field research, your client needs an application for her iPhone that enables her to capture an image of the document and convert it to text (Optical Character Recognition - OCR) so she can manipulate and analyze it.
User research – user biographies & other facts;
Sketches – mockup the original layout for the whole apps;
User scenario and usability testing – using scenarios to let people test whether the layout is functional enough to let them finish their goals.
Using Axure to build a functionalized application prototype.