1. No, you cannot choose as page template. Please go to WordPress admin -> Appearance -> Menus, click the “Screen Options” tab on top right of the page, check all check boxes, then you can choose also the rooms for the menu.
2. If you mean the different effects you can see it on the page of the jQuery plugin we’ve used:
3. Have you already added and published rooms to your page? WP admin -> Rooms -> Add new / WP admin -> Reservations -> Resources?