example of requirement is http://www.drinksmixer.com/ in simpler fashion on the iphone
where user can select his ingrediant and upon search the receipe will come this he should be able to do offline

mApp for ingredient mix - iMIX

Summary : iMIX is an app designed for Smartphone’s & Tablets allowing the user to use the application to mix ingredients of his choice and develop acceptable and proven recipe.
Working : the user should be able to download the app from the website onto his smartphone, make choices of ingredients and after comparing on possible recipes from stored database the options should appear for the user to choose from.
The user interface will be divided into two parts
1) Online – website based where user can browse via use of internet both from PC as well as mobile phone
2) Downloadable app – user can download on his mobile phone and operate offline.
The backend will have
1) Flexibility to upload unlimited recipes with
a. Complete recipes
b. Images
2) Add, Edit, Delete the stored recipes
3) Maintain records of users
Hosting and Security
1) The app website should be hosted on to secure and fast initially shared but later migrated to dedicated servers
2) Application immunity to viruses
3) Unique ID of users to be maintained with capture of the phone & PC IP address
4) The app cannot be forwarded
Features
1) With English being default language user can interact in any language of his choice
2) Database update when sync in
3) Virus free
Functionality
1) User taps the app widget
2) The app opens with ingredient input choice dropdowns of major & checkbox of basic ingredient
3) User defines the ingredients’
4) Upon press of go button all possible recipes appear with 1recipe per page
5) In case of exact ingredient recipe is not there the closest recipe of choice appears
6) Option of print , forward as email

Important
1) The application should be light to download approx <0.75MB
2) Operate in all smartphones and tablets with all OS year 2009 onwards
3) All email forward will have signatures of brand and website

Options
1) User ratings can be recorded
2) User can submit recipes & update database
3) Transaction model to be established soon with secure payment gateways and backend accounting .

Any idea to improvise and add value to the above will be welcome, i anticipate a proposal with all commercials and time for finished product at the soonest.

Vivek Sharma