The Display specific multiple posts on sidebar.
it gives full freedom to display specific post as featured posts as list form all blogs in wpmu and when user click on those list it will open full post detial pages.
admin can chose Multiple posts to display as "Featured posts".
some time site owner wants to make some specific posts highlight on their sites. this is solution for those. its not display recent post, popular post order by ASC or DESC..
just display specific post who selected by admin, from admin panel. it creates a tab "featured posts List" in Settings/options panel in admin to manage posts.