Responsive menu show/hide item_?

Applications Menu / Menu Tree
#1

How can I show or hide an item in a responsive menu?

#2 
sc_menu_delete('item_8');
sc_menu_disable('item_10');
   // Adds an item to the already initialized dynamic menu
sc_appmenu_add_item(
  "menu_app_name",
  "id_item",
  "id_item_parent",
  "label",
  "application",
  "parameters",
  "icon",
  "hint",
  "target",
  "megamenu"
);