The Hanoi Samsung is a Vietnamese restaurant in Samseong-dong, Gangnam-gu, Seoul, serving pho and stir-fried noodles. The seafood pho is light and clean, the seafood pad thai is mildly spicy, and the beef pho contains only beef. At lunch, office workers crowd in and lines form on many days, and food can take about 10 minutes after ordering. Waiting and food delays can make the lunch hour tight.