>>7270792HD graphics. Otherwise it isn't any different from the old games. Can't think much of other than, Mortal Combat regarding games it wouldn't apply to. Oh and fighters like Clay Fight and that sort of stuff.
Though Arcana Heart is certainly pink.
But were someone to make a My Little Pony fighting game or something of a similair franchise, it could look very much the same.
Japan aren't the only ones who messes around with bright colours and stylized art and quirky facial expressions.