Medical Android App

Please do not bid without reading completely, plz provide timeline too. 1. Mobile App(Android only) 1.1) Home Page (search option and login link) - search option only available when a user logged in, here we display some links and logo etc, but final things after discussion with a client. 1.2) Login - login for all users. 1.3) Registration - registration for all with the option of retailer/distributor/dealer and ask for gstn and if no gstn then UDI number, rest all fields final things after discussion with a client. 1.4) Search Product - search by product and by company 1.5) Product Details - details of a product 1.6) Seller Shop (user profile) - dealer or distributors all products. Purchase Process 1.7) Shopping Cart - products added by the retailer while purchasing, multiple merchants products purchases is possible 1.8) Purchase Order (payment gateway integration) - here retailer can review his order and provide his billing and shipping details and select a payment method for purchase 1.9) Purchase Confirmation - this is final confirmation page, here we display all the details selected/provided by the retailer, we will provide a back button option by which he can back to purchase order and make any changes. after selecting T&C he can confirm and reach to the payment gateway 1.10) Payment Gateway Integration - we must integrate a payment gateway Paytm/Billdesk etc with regular options(CC/Debit card/Wallet) 1.11) Order confirmation page - here we will display an order confirmation text and order id/invoice id. Order email sent to both the parties, email format I will suggest you. 1.12) Link of invoice pdf sent on Whatsapp number - after a successful purchase, we will send distributor an invoice pdf link on his WhatsApp number Member Area 1.13) Review Orders - here retailer can search and review all his placed orders 1.14) Review Sold Items Details - here distributor/dealer can search and review all sold orders 1.15) User Profile Page - It is a user profile page user can see and update his details Providing shipping changes is not possible right now, shipping charges will be manual and retailer will give shipping changes when he is receiving his product. Finally Plz provide a good price for the Android app and a rough timeline. I need a source code too Supported Android version : ? API Level : ? Time: ? working days with unit testing. Amount : ?