I guess Ben did modify it - I can't. I didn't see any blog posts.
Compared to the jivesoftware.com UI the recent content widget looks lame.
It seems to be a Jive limitation that one can not place a widget below the inbox / activity streams. I hope Jive is listening and wants to improve this in an upcoming cloud release.
https://igniterealtime.jiveon.com/mobile/mobile-access.jspa#jive-stream is the mobile version. There's no customization and the load time/bandwidth usage is quite high because of uncacheable avatars.