Thank you FragFather!! Your capx is smoother than mine (light years indeed XD).
I have two more doubts about this.
1) There is a little bug in the movement I cannot understand. If the player press the opposite direction to move the sprite from left to right quickly, the sprite holds its position freezed on the last angle. I dont know if I'am explaining well. Imagine you go left and have decided you are in a wrong way and press right inmediately. As you can see, the sprite hold the angle that it took fancing left.
2) I have noticed you have a good comprenhension about degrees in Construct2. What I know is Construct2 start 0 degrees from right, but what afte that? How it figures a sphere? I have attached an image here, but I can't point to the negative values in a degrees sphere (I suppose its the counterclockwise). Can you redraw it please?