Write an iPhone application

We need an app from scratch for IOS platform. for the beginning few features but we have a lot of features to develop after. for a proof of concept we need an app able to : - scan a picture and match it in a big database of picture and to display informations of the picture recognized - 3 buttons to add, remove or put in wish list if add or remove, we have to choose the number of items we want to add. Also Save image in database if internet available. the page for displaying the information must contain few fields and a picture from our database's picture. a most detailled page will display around 20 fields. the app must be very simple. easy use, ergonomic and well think Fell free to purpose user experience tips and advices.