I am not sure if this idea is stupid or brilliant, but at the moment I'm loving it.
Stride and Prejudice is a side-scrolling iOS running game in which you jump between phrases of Jane Austen's novel Pride and Prejudice (get it?). So you're reading, and playing a game, and the music's fun, and the little sprite of Elizabeth Bennet is really cute. You can adjust your speed and save your place. I've only played through the first chapter so far, but honestly, it isn't a bad way to read a book! It's not the best way to read a book either, but you will read 100 percent more books playing this game than trying to get high scores in Plants vs. Zombies 2.
I'm hoping they come out with more public-domain literature side-scrollers, because I've been meaning to read War & Peace for about a decade.
Thanks for the tip Brian!