Mobile app screen designs

Information for the business: B2B services for retailers
Industry: Technology
Design details: We're creating a new demo application for Shopping Malls. There are around 8-10 screens and we need a great design created for the screens, typography, icons, graphics etc.

If you are shortlisted I will give you access to our Balsamiq screen mockups so you can see the functionality of the app.

We expect to receive PSDs/PNGs from you, with separate elements (icons, buttons etc) as separate files.
Target audience: Shopping Mall visitors / customers
Ideas for the visual style: Modern, clean, iOS8 style
Things to avoid: Pictures of people
Urls to draw inspiration from: http://www.harrisandhoole.co.uk/app, https://itunes.apple.com/gb/app/westfield-london/id409824812?mt=8
Where the design will be used: iPhone 5S mobile app
Extra notes: