Looks intriguing. But I hit quite a skill/learning barrier.<p>So perhaps start by showing a traditional video game key mapping and ui summary? Or better, since the interactions are so unfamiliar, perhaps a program-demo screen-capture video? Made with a tool that shows the keys pressed and mouse movement. Which would also occupy the initial half-minute load time.<p>My experience was one of baffled struggle, repeatedly trying things, and thinking "Well, that didn't seem to work... Is it not supposed to? Am I doing it wrong? Did I almost have it but hit slightly off? Is it modal? Does some key need to be held down? Was there a bug? ... I've no clue, since I've little idea what to expect." Thus the idea of a demo video. Answering "what does skilled use of this ui look like?".