Waffle Shop Yongsan Station I'Park Mall is a cafe on the third-floor concourse of I'Park Mall at Yongsan Station, in front of the platform in Yongsan-gu, Seoul. It sells original waffles and croffles, along with injeolmi waffles, injeolmi croffles, ice cream and drinks. Tables inside the shop let customers eat there, and people stop by for a snack while waiting for an ITX train. By around 7 p.m., few waffle types remain.