Forget Google Play services. Forget tvOS. Who needs joints. There is one (or, two) things that need your votes far more!
Right now if you want to play a sound of spawn an actor you need to select it from the dropdown list. This makes it impossible to change the actor to be spawned/sound to be played on the fly. If you have, for example, different music that you want to play depending on the current hour of the day, you need 24 rules and 24 play musics/sounds. If you want to spawn a different actor depending on the time of day (it's 2am, my creativity for examples is limited) you need 24 spawn actors in 24 rules.
Vote for these feature requests and end this!
http://bugs.gamesalad.com/show_bug.cgi?id=259
http://bugs.gamesalad.com/show_bug.cgi?id=205
GameSalad are really churning through the feature requests right now, and votes really do matter!