Looks like each of the developers wrote a blog post to promote their games:
http://blog.us.playstation.com/2015/08/13/vote-armello-during-playstation-vote-to-play/
http://blog.us.playstation.com/2015/08/13/vote-grow-home-during-playstation-vote-to-play/
http://blog.us.playstation.com/2015/08/13/vote-zombie-vikings-during-playstation-vote-to-play/










