You can create display screens to be projected onto a wall, or shown on a tv/monitor screen to allow the audience to watch (and cheer on) the mobile bidding process:
To Create Display Screen(s):
Go to Admin > Site Settings > Online/Mobile > Bidding Display Screens > New Online/Mobile Display Screen
Preview your Display Screen:
Click on Film icon to launch display in a new window.
Note: placing cursor on item will pause the scrolling.
Tip: Be sure to test your display well ahead of time to ensure your hardware works together.