First of all you need to go to www.twich.tv    or www.ustream.com  and create an account if you havent already, Be sure you remember your sign in info as you'll need it when you go on the ps4 . After you have an account set up , follow this video below. be sure you watch it all the way through  , it will explain quite a bit of things you all will need to know for madden, and just a good tutorial of how to utilize the share button.

http://youtu.be/yYfJbAIpKb0