Top notch customer service topped off by an impressive selection of games and a stellar mobile app. Best of all, the lion’s share of your hard earned cash finds its way into your pocket. The site is a tad on the nose but the best part is swiping for all. Heng has a sizable client base in the south east Asia region and beyond, making them one of the best online gambling providers around. heng99 has one of the most extensive gaming libraries in the industry, making it a worthwhile splurge for the more seasoned casino goer.