JsonConvert.SerializeObject seems to be not working in xamarin forms. Or i might be missing something here. Here is the output when i serialize a simple object.
See
This is a known problem see https://developer.xamarin.com/guides/cross-platform/live/limitations/
Limited support for reflection (currently affects some popular NuGets, like SQLite and Json.NET). Other NuGets are still supported.
If you compile it to an APK it works fine on the actual device.
Also posted an issue here: https://github.com/JamesNK/Newtonsoft.Json/issues/1578