Really love the art for this game and the music adds to the nice atmosphere. I like the controls to be introduced whilst playing the game (I went back to check the controls after not realising how to swap between dogs). Also when I played, for some reason the little dog wasn't animated when it was walking.
I restarted a couple of times because I wasn't sure what I was missing - I got to the cave thing at the end with the little dog but I couldn't get the big dog past the log. Overall I liked it, especially the art. Good job on the game :)