@Im_PJ we don’t have a time frame for Xamarin SDK, but Xamarin has some rich resources available on consuming web services. Check out this example:
Additional reading here.
The .NET SDK from Dreamfactory uses the ‘unirest-net’ client library for the API which in turn has dependencies on the [‘Microsoft.Net.Http’] (https://www.nuget.org/packages/Microsoft.Net.Http) which comes recommended by Xamarin.