Mobile Shopping app - open to bidding

Objective: Create a shopping mobile app based on Cordova. The application should function normally on android 4.4+ and iOS 7.1+. An administrator has access on website to informations. Several merchants has access on app to informations. Several user has access on app to informations. CSS: All UIs are ready in html format based on Framework7. However it is not necessary to keep using this CSS. Every other suggestion would be welcome. CMS: The appropriated CMS is Magento Features: 3 different access users: Merchant, Buyer, Administrator Multi-merchant Product: Images, name, information Product category Product attributes: color, size, ... Search in: product name, product information, with category filtering Price Sale Stock: information of stock for a product with different attributes Buy Credit: to pay the prices. Administrator could change the credit of users. Bid: on products. Comment: on products, after confirming by administrator. Flag: a product. Demand: user can ask for a product. Merchants has access to the list of asked product. Rating: for merchants and products Deliverables: apk file + commented source codes + a brief documentation of the architecture