McDonald's Jamsil Station Branch is a fast-food restaurant selling hamburgers and cheese sticks, located right next to Jamsil Station. The Twum Ba Shanghai Spicy Chicken Burger has a spicy chicken patty with Twum Ba sauce and mayo, and the Big Mac is also available. It is open 24 hours, uses self-order kiosks, and turns food around quickly. At lunch, office workers crowd in and the store gets busy.