That's because Warmerise isn't made for mobile devices. Max would need to adapt the controls to mobile equivalents (i.e. touch buttons) first and I don't think that will happen in the foreseeable future.
Also, "Unity WebGL content is not currently supported on mobile devices. It may still work, especially on high-end devices, but many current devices are not powerful enough and don’t have enough memory to support Unity WebGL content well" (text excerpt from Unity - Manual: WebGL Browser Compatibility).