After creating the game, you can share it to your friends via facebook, twitter.
You can also copy the link URL and send it to your friends to join or watch the game.
You can see share button on home page if you are waiting for the your friend. Or you can click on share link.
You can see the following after a click.
Now you can share your current game in facebook or twitter and invite your friends to join or watch the game online.
To see about Online Baghchal Scoring system here.