Write a xamarin application -- 2

Write a [login to view URL] app. Will be very close to the MyShoppe app shown in the example here: [login to view URL] There is currently an Web Api project ongoing to develop the backend for this app. Features will include: 1) QR code scanning. 2) Online ordering (supported by web-api) 3) Browing inventory 3) Showing nearby shops 4) Review and comments Deliverables: 1) Clean maintainable code, follows coding standard 2) Instructions for deployment and from any computer 3) Good app performance on all platforms. Xamarin forms can show bad performance if coding is not done correctly. It's important that all required performance improvement tips and tricks are followed. 4) Good clean native design for all platforms 5) Changes as required if requested by code review. Code will be reviewed before delivery and if required changes will be required to be made before final delivery. 6) Apps for target platforms: Android, iOS, Windows 10.