1. Internal group chat - share pictures and messages to your team members inside the app
2. Offline status - app checks user status in a group every moment
3. Join to group via QR - when your team is already together and ready to start, just scan QR to join
4. Share a group via link - send to your friend a magic link to join a group or install Radar app
5. Sharing pictures with ATN scope - field of view always shows a pics of your teammates