Very interesting exercise! This is one of those mobile-initiated
features that desktop users would welcome as well.
Just curious: have you considered to use data from Special:WhatLinksHere?
Incoming links are less evident than outgoing links. They might help
users discovering pages with less obvious connections, yet still
interesting.
--
Quim Gil
Technical Contributor Coordinator @ Wikimedia Foundation
http://www.mediawiki.org/wiki/User:Qgil