Discount android application

Hello Developers!!! We are looking for developers for an app very similar to crown-it. Here is our brief requirement details App will show deal, at some specific time. Deal will get change depending upon time or day. Here is the brief requirement : 1. user can login with FB or Google account. 2. Authenticate user mobile no, with OTP. 3. based on user location or if location is not available then user should select location . 4. Request server with user location, sever will response with restaurant, cafes,bar and spa list and details. 5. show them in list and user can select the same. 6. send query to server, sever will send back the response with deal present at that particular time. 7. user can go to restaurant and avail the offer. 8. upload bill photo to server, server will decide the the points earn, and display the same. there is some more addition screen : Account setting. 1. user can check there history and current city update or some other setting. The app has to be developed from scratch including all the designing and server coding. Please give your quote and timeline for this android app.