Hi sir,
Myself Omer , a Computer Information and System Engineer ,Microsoft Student Partner and Google Android Club Facilitator.I have developed many ocal and profesional Application on Android and Windows phone.
I had my hands on Customization of an App , you can refer to portfolio to see the Application UI , and as per your description i may give you a better service in redesign your app.
We can discuss in detail on Skype or through email.
Have a nice day.
Regards: Omer