We can change the background of lobby,please follow these steps to get it:

1.Click the [Inventory], it is on the bottom of your Lobby page;
2.From the right panel, select the "Square" icon (The fourth icon in the right panel);
3.Then click the "Picture" icon to choose the theme/background you like.

Kind Reminder: For public policy-related concern, please send an email to policy@proximabeta.com