Mobile Roulette Optimization and Customer Service: All the casinos we suggest to our readers must have at least a mobile roulette-optimized website. We also contact customer service through live chat and email to test their knowledge and responsiveness. Guide to Playing Online Roulette Games. Can I play free roulette games online, casino gamdom.com. Yes, you can play free roulette games on all recommended online casinos in this guide.Fiat currencies are outdated and lose their value over time, casino gamdom.com.Not all countries can play live roulette, casino gamdom.com. Cloudbet: Best Mobile Roulette Games. For a good reason, Cloudbet Casino promotes itself as the top Bitcoin platform.