Chicken Mutton Selling Marketplace App

I need an Android app similar ti Freshzapp. I want some features of Customer panel, Seller Panel and Admin Panel. Complete Source code will be our property. 25% Payment milestone will be created after checking 50% work done. Remaining payment will be made after the completion of the work. if you agree for above only then your bid will be considered. On seller panel there will be features to upload or delete the product images, edit the price or offer discounts. Everything should reflect on app immediately. Customers should be able to give ratings and feedback on the products. There should be Otp login feature also on the app. There should be mobile or email i.d and password login also. Admin should have the feature to login into Seller or Customer panel also and alter their records on special requests. Admin and seller should be able to see number of products sold, number of sales, amount of sales, total settlemrnt value days wise, date wise, month wise, yearwise. Logo should be beautiful.