Reviews broadly praise the food quality and attentive service at YAO YAO Sauerkraut Fish at VivoCity, with signature dishes like sauerkraut fish and Peking duck highlighted. The ambience is family-friendly, portions are generous, and flower tea is a frequent perk. Downsides include long queues, time limits, and occasional concerns about oiliness or saltiness and pricing. Overall the experience is flavorful and well-supported by staff, though some diners feel rushed or disappointed by wait times.