Samsung Galaxy S3: How to Share Media Files with Nearby Devices

There are some option in Samsung Galaxy SIII to share files over Wi-Fi, such as Group Cast which will allow you to share document or file with another AllShare Play capable device that connected to the same Wi-Fi network.

See also: How to Share Document or File Using Group Cast on Samsung Galaxy S3

Another option available in this phone which also utilizing Wi-Fi network is the nearby devices.