Thank you so much for taking the time try our game and give us some feedback!
We really wanted to add a "Tutorial Level" so we could guide the player in a clear way, but time slipped away from our hands, the most we could was to add some kind of graphic to show a little bit of it. We are already working on these Tutorial Levels as we speak.
About the loose of speed when colliding, we wanted the structures to feel more like an obstacle than a cover or a surface to bounce off, but full stopping the speed is not the way of doing it (now we know), we'll try stuff like just reducing the speed to half after a bounce, to make it seem more natural and we are already fixing the angle in which the ball comes out after a bounce.
We really appreciate all the feedback we are getting, thanks for lending us some of your time~