An android application, and I would prefer java.
ShopyWisely
1) We need data for products in shopping centre and the map.
2) Fill the sheet about your daily food preferences. (fruit, meat, drinks, grain products, drinks more further, sweets, and so on because the list will be large.
3) After that you are going to shop, you find similar items you like with same quality(content), but for cheaper price (In addition to you see their top rated products and the number of amount people who bought that product). Also people can give votes 1 to 5 or add dislikes. The app starts working automatically when visitor is inside the shopping centre.
4) Extras: The system will navigates you to the right product in supermarket.
5) After the system analyse the data and make daily overviews about the costs you have made. If somebody is intrested pm to me, and send me your contact details.
top10 food supermarkets in world:
Woolworths Limited (Australia)
Winn-Dixie (USA)
IGA Inc. (USA)
J. Sainsbury plc (United Kingdom)
Rewe-Gruppe (Germany)
Royal Ahold (Europe)
The Kroger Company (USA)
Nakumatt (Africa)
Safeway (USA)
Tesco (United Kingdom)