Launched on December 8. See http://lifehacker.com/curiosity-shows-you-useful-wikipedia-articles-right-wh... http://9to5mac.com/community/curiosity-by-tamper-a-beautiful-context-aware-w...
Features (from https://tamper.io/curiosity/ ):
" Nearby [...] Curiosity uses your location to find interesting articles nearby.
Popular [...] Curiosity displays the most popular articles for a given day, week, or month all in one place.
Explore [...] Receive articles from hand-picked categories that adapt to factors such as time, location, and current events. Learn about Famous Inventors, Movies Filmed Nearby, or many other categories being added and updated regularly.
Bookmarks & History [...]
Search [...]
Read & Share [...] "
It's *almost* like they saw https://commons.wikimedia.org/wiki/File:IOS_Wikipedia_App_5.0_Update.pdf ;)