Design an App Mockup

There are 2 type of Users - Customers and Merchant (iv) Home page shows 2 tabs - Customer & Merchant (v) Customers can view product lists of any Merchant and does any of the given action (vii) Merchant can add/del/manage Category and Product (x) Message Box, (a) It shows list of Users with whom interaction is done (There should be icon showing whether its a Merchant or Customer) (b) Interaction page for selected users (like whatsapp) is shown for all incoming and outgoing messages (c ) There is a icon to show entire contact book. And all registered users as Merchant or Customers will be hihglighted with specific icons (xi) Each User has 'Out Order Book' - contains order raised by Customer and 'In Order Book' - contains Order received by Merchant Pages: "[login to view URL] Screen 2. Login screen / Registration [login to view URL] page(User) [login to view URL](Product/Merchant) [login to view URL] Product [login to view URL] Product "[login to view URL] Product [login to view URL] Product [login to view URL] Product"