Simple Informational Mobile App - repost

This mobile app is a very simple and only informational, nothing fancy. The app contains the following screens: (1) The splash screen. Shows our logo. (2) The list of main categories. (these categories could have an icon beside them) (3) List of sub categories (once clicked on main category this screen is displayed) (4) List of services titles and snippets (once clicked on the sub category this screen is displayed. Snippet is the first 2 lines of the service description ) (5) Service description (may contain images). (6) Favourite list (can favourite service descriptions). This screen shows main category > sub category > service title and snippet of service description. (7) About us page which shows a description of the app, app version, building code version, etc. Must have features: (*) A robust search: - search string: must return the search description. It must show main category name, sub category name, service name and relevant excerpt of text highlighting the search term. Once click on the search result it will jump to the service description. - service code: directly jump to service description. (*) Email service using the mail app: - subject contains service title - body contains service description (*) Solicit user feedback as per Android/Apple guidelines. Menu: (*) Home: Main categories (*) Search (*) Favourites (*) About Us Other: (*) The entire database of categories, sub categories, services and descriptions will be supplied to you in a JSON format (*) It should check a url for JSON updates. The app keeps an internal version number, if the server version number is higher than the app version number the app downloads the update. (*) The app has to have an appealing design (either you use a graphic designer to design the app or you must also know graphic design to design the app) (*) The app must apply best design practices (*) The app is just a shell that could contain any information so long as the format of the JSON file the same. (*) One native app to be created for iPhone platform and another for Andriod platform.