Established in , Letou was the one of the first Asian companies to provide. This website is officially authorized by the Government of Curacao to operate sports betting and casino products under license number GLH- OCCHKTW Letou Casino has a fake license. We offer a detailed review of Letou online casino in Vietnam. . The casino acts like it has a license, however, upon closer inspection we found out it's either not valid. Overview of slot machines | Letou online casino bonus review. In terms of Casino, there are around games available to play, of which about are slots. LETOU, first Asian entertainment services company to provide cash-based online gaming, has announced a partnership deal with Serie A giant. Letou is a fully legally licensed global gaming brand with offices worldwide. Compared to other Casinos, that is not that many.