If you have a Barnes & Noble Nook, you may be surprised to find that your eReader can do a lot more than just display ebooks, which makes it a great alternative to those more expensive all-in-one tablets that do everything (seriously, everything). If you want to get more bang for your buck, here are a few ways you can hack your own Nook. For some of these, you will need to have a rooted Nook. PlayStation GamingIt's no secret that Nooks come with an Android operating system, which makes it...