I read your description carefully and understand your requirements fully.
I am really interested in your project.
I am 100% sure i can do this.
Please check these apps developed in Xamarin:
[login to view URL]More
I have 4 years of Xamarin experience and keep my self always updated with new features released.
If I will get chance, than definitely I will provide best solution to you.
Ready to seize this opportunity.
I am Xamarin expert with intense experience with Xamarin forms/ Xamarin Android/ Xamarin iOS , XAML C#, .NET, Visual studio 2017, Xcode , objective C and Swift , MVVM and Binding technology, Packages from NuMore