N9 : Selected Apps or Hacks

Guys,

How about placing some of ur selective list of Apps or Hacks here, which'd make our sweet N9 more wonderful? I'd suggest u to post simple ones, for the masses @ large, who aren't that tech-savvy [like me].

Qorax
Ps.: Pardon me if there's already such a thread, couldn't find one though. In which case we could remove this post.