How to play free mobile casino games on your device The games are compatible with nearly all mobile devices whether it be casino games for Android phones and tablets, or iOS iPhones or iPads, and you should be able to play them directly on your mobile browser without the need to download extra software. You can find a selection of these games on this page - free mobile slots and other types of casino games that require no deposit to play. Note: Many old Flash-based games have been reworked with HTML5 to make them run more smoothly on mobile devices, while developers have used it to create the next generation of casino games ones that boast super-modern graphics and elaborate storylines.