BuddyPress Group Calendar Plugin installation help

[WP 3.3.1 + BP 1.5.5 + Social theme]
I'v downloaded BuddyPress Group Calendar 1.3.1 from: https://premium.wpmudev.org/project/buddypress-group-calendar.
Installed it and activated it.

I found two widgets: Group Events and Single Group Events.
I can't find a page to create, edit, How to create an Event for a specific group. Then events for all?
Where is the settings for the plugin?

Please advise.