Tari
Well-known member
Guys read this and rejoice. A little snooping with the app in the article and you got it. Just hidden, not left out. Hopefully for us GS3 users it will be the same thing. Cheers!
http://www.droid-life.com/2012/12/02/how-to-enable-blocking-mode-on-verizons-galaxy-note-2/
It's hidden because it's broken. While you can access the blocking mode menus, turning it on doesn't actually do anything. You can click through the article to the source at xda to read more about it.