Group Play 3.0.200

This release does not have a Play Store Description, so we grabbed one from version 2.0.375:

Group Play lets you share and play content with those around you in real time.
Even though you have no WiFi hotspot or 3G/4G network, you can create your group and enjoy with your friends.
Now, with Group Play, watch together, listen together, play together.

- Play your favorite videos with your friends
Now you can play videos not only on your device but also on your friends' devices. You can share the videos on a single screen or
split the video between multiple screens (Multi Vision)
(※ Multi Vision cannot be available on certain devices)

- Enjoy surround sound system with multi devices

Get your friends together and let them enjoy your music simultaneously.
Get all Samsung smart devices together and create a powerful sound system that enhances the sound quality and keeps the party going.

- Share the picture & document instantly

No more crowding around a single screen!
Group play enables you to share your pictures & documents.
You can collaborate on Word, PowerPoint and PDF documents and instantly synchronize changes together.

- Simply pairing multiple Samsung Galaxy smartphones and tablets

Just touch your device with another to join a group.
It's quick and easy to set up a connection with multiple devices through NFC pairing.