The game is about a man who enjoys torturing himself and when his heart is full of pain, he switches his heart with others which kills them since no one can bear this pain.
To play the game there are 4 usable objects:
Select any of the objects and try to hit his body with it using the accelerometer if u succeed his heart will be filled. After it's full select his wife and switch his heart with hers.
Don't forget to keep this from your wife :D.