There are small stalls in the food court, and you need to swipe your card when buying the stalls, which is similar to the food courts in many large shopping malls in the mainland.
The price is a bit expensive, including Taiwan Province snacks, Yunnan-Guizhou rice noodles, Korean bibimbap, Xinjiang saute spicy chicken, Beijing braised pork, hand-grabbed rice and so on, which are basically available all over the world.
The specific store location is shown in the following figure: