Samsung Galaxy S3: How to Join Group Cast
If you want to share document or any file in real time, then there is a feature in Samsung Galaxy SIII called Group Cast which will allow yo...

https://iskablogs.blogspot.com/2013/08/samsung-galaxy-s3-how-to-join-group-cast.html
If you want to share document or any file in real time, then there is a feature in Samsung Galaxy SIII called Group Cast which will allow you to do that. To use this feature you need to connect to the Wi-Fi network and have a Samsung account. Once you have two that things, now you're ready to start share using Group Cast. See also: How to Share Document or File Using Group Cast on Samsung Galaxy