Woohoo! Rejoice! This is the kind of thing that I think most people will be very glad to hear. Aside from iOS players, perhaps, ha.
The only gripe I have - "counter karaoke king by using a better karaoke king"... isn't this what we're trying to avoid?! If the best counter is a stronger version of the same hero, that's not a counter at all, ha.
Looking forward to seeing the roadmap for all the fixes & improvements to come sounds promising!