I think the letters should be larger. I would pick a better and more bolder font. Also, the shape where the lips are on is very strange. I really have no idea what that is. Overall, I think it's good but could be a lot better.
Well, as you are offering design service or tool - you should show really what you are capable of. This means - your logo should have that something "wow" effect.
It just screams out 'Average'! It have a nice idea, but you need to add a 3rd colour to the equation and possibly do something with the text to make it more interesting.