The listing, Dad Quest [steam key] has ended.
http://store.steampowered.com/app/524250/
Embark on a fascinating Papillonne! Together with your child, create an unstoppable team and become the coolest (or beautiful) dad in the world. Grasp the greatest challenge for dads and kids — Dad Quest.
Your child wants to soar through the skies with eagle ease, but he cannot do this alone, and not to learn to fly. Only you, dad, with your throwing hand can raise his child, turning him into an invincible weapon. Dad Quest is a fascinating world full of funny and cute moments on the basis of 2D adventure platformer with elements of role-playing games.