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