Royal Host at Jewel Changi Airport offers Japanese-Western fusion cuisine with a cozy ambiance and attentive service. While the dishes, such as hamburg steaks and omurice, are generally well-prepared and flavorful, many reviews mention high prices and small portions that seem disproportionate. Service quality is praised when staff are attentive and friendly, but some experiences report inconsistent service and issues with staff training. Overall, the restaurant provides a pleasant atmosphere and good food, making it suitable for a casual family meal, though some patrons feel the pricing does not always align with the value received.