This option will show you a list of stored email addresses from your phone contacts. Users can send individual invitations to their friends from this list by pressing the invite button shown next to their names.

To open the Invite Friend screen:

1. From the Home Screen, tap Toolbox.
2. Tap the Invite Friend button shown in the Toolbox popup.

You can also send an invite by manually entering a name and email address in the fields shown at the top and pressing the Invite button.