Dear client.
I have a strong team that we can develop your app to your satisfaction.
We can design the UI and develop Backend and FrontEnd as HTML5/Hybrid app as Phonegap app.
If you contact me, I will show more good examples.
Please have a look at my profile and portfolios, work-history on freelancer.com here.
I'd like to meet you over skype to proceed.
Regards,
Adal.