What I mean is, it would be cool if we could see the animations of a sprite playing while you edit the scene. Imagine you have a sprite which spins in its animation. It would be nice if you could see the animation in the editor, instead of it just being static. This would be helpful to see how your animations would look in game.
So, instead of this;
It would be playing its animation. Also, there should be a way to disable it, if it causes lag.