def apps(app_id = nil)
      if app_id
        Endpoints::SpecificApp.new(app_id)
      else
        Endpoints::Apps.new(app_access_token)
      end
    end
def apps(app_id = nil)
      if app_id
        Endpoints::SpecificApp.new(app_id)
      else
        Endpoints::Apps.new(app_access_token)
      end
    end
Generates an interface for the +apps+ endpoint.