Described herein are frameworks and methodologies for delivering electronic gaming machine user interfaces across multiple client platforms. Embodiments of the invention have been particularly developed for providing electronic casino-type games across a range of client devices, including various forms of mobile device, computing devices, smart TVs, consoles, and the like. While some embodiments will be described herein with particular reference to that application, it will be appreciated that the invention is not limited to such a field of use, and is applicable in broader contexts.