When you log in to the app, search for a video, and add it, a chat room is created.
You can chat and watch by sharing video and time zones with users entering the chat room in real time.

When you create a chat room, you'll see a draggable screen.
-Content tab: information of the video currently being watched, added video playlist, and new video added button

-Menu tab: list of currently entered members, exit room button

-Chat: Chat screen with members

YouTube video screen
-Real-time button: In the case of the host, the room member's viewing video and time are controlled to the desired location.
If the button is off, only the moderator is changed without control
In the case of room members, the moderator's control is allowed. No control when the button is off.