Mobile APP with Asp.net mvc

i have a working asp.net mvc site and it use AntiForgeryToken.

i need a app that can read and write to it. rather than using the wbsite i want app to do this

public override void OnAuthorization(AuthorizationContext filterContext)
{
var request = filterContext.HttpContext.Request;

// Only validate POSTs
if (request.HttpMethod == WebRequestMethods.Http.Post)
{
// Ajax POSTs and normal form posts have to be treated differently when it comes
// to validating the AntiForgeryToken
if (request.IsAjaxRequest())
{

var antiForgeryCookie = request.Cookies[AntiForgeryConfig.CookieName];
var cookieValue = antiForgeryCookie != null
? antiForgeryCookie.Value
: null;
AntiForgery.Validate(cookieValue, request.Headers["__RequestVerificationToken"]);
}
else
{
new ValidateAntiForgeryTokenAttribute()
.OnAuthorization(filterContext);
}
}