Write an Android application for shopping comparison site

We need to develop one android application for our running website which is basically a product comparison website. When people search for a particular product it will deliver the price details of the product across different e-commerce sites. • The app should be compatible with the all latest versions of android, screen sizes and most of the handsets & tablets • The server side program will be in php and mysql whihch will be taken care by us and you just need to focus on the mobile application side. • Interface should be simple and easy to use • There should be a cashback point system for the users (details will be provided later) • There should be notification, invitation and share module • Should automatically detect and redirect our mobile site to mobile app from mobile browsers (with choice) • Cross application keyword search module • Major setting changes should be controlled through web interface. • Should give at least 6 months free service for rectifying issues and for minor upgrades. • All media item needed for the android store like logos, thumbnails, screenshots etc. should be provided. • Project should be completed and ready to launch within 1 month. More details will be provided upon requests