Carrefour application is providing catalogs, coupons, and loyalty kind of account for each user present in the same application. There is more number of features present in the application and they are: it would be helpful to attain my shopping list which would make people to track all kinds of products and this would avoid people to forget about the products at the same time. This would enable powerful smart shopping list and this would make people to avoid time invested on it. My store option in the application would enable people to locate the store and stay connected with it in a better manner.