It does look like an intriguing way to adapt a novel. The only user input is to digitally "turn the page"?
Well, they say that " It also has an array of intuitive interactive elements (Story Mechanics), that are used to give the player control over the story, so no player experience will ever be exactly the same."
So, I suppose you can fall off an Alp. I doubt you'll die, though, since they seem to be aiming at the widest possible audience.