A-Roy Thai in Singapore is renowned for its authentic Thai cuisine, offering a diverse menu with flavorful dishes like green curry, tom yum, and lemongrass salads. The restaurant maintains consistently good quality and friendly service, making it a popular choice for families, groups, and Thai food enthusiasts. While prices are on the higher side, many patrons find the quality and authentic flavors worth the cost. Some reviews cite issues with service during peak hours and occasional inconsistencies, but overall, it remains a highly recommended spot for Thai dining in Singapore.