You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
PAUSE the game and in the lower right is a 
PENCIL icon.
You will be shown your current Cross-Platform key. However, you can also ‘Enter Join Key’.
Right now my key is o1b68a.
Add this 
key & you will join my room at this current moment.
Try it.
pic.twitter.com/bKgJP1qRHF
... now if you check your current key it is the key you entered because the key is the room. And the room holds 16 people max.
I think I understand.
pic.twitter.com/CyXdzNXBr9
So all we need to do in order to play together is to start sharing room KEYS on twitter and joining rooms!!!
pic.twitter.com/SLtGXb9Ram
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
RR
R