Design screens for shopping app

This is like a groffer like app and the client needs following screens 1. Login and Sign up 2. Walk through (3 ) 3. Main dashboard 4. Listing 5. Checkout 6. Order history and tracking 7. General form You can show me what you have designed already so that we can pick elements from them than re-doing new designs. That will help better budget. As the client needs quick turnaround time