Coffee-lovers will be happy to know that the popular puzzle-game 'Threes!' is Starbucks' App Pick of the Week. Folks can go into any Starbucks location and pick up of of the promo code cards to download the app for free. Threes! is a very simple puzzle-game, where users match numbers, on a simplistic and beautiful user interface. The game is normally $1.99, so the free download may save you enough for a cup of Joe during your next visit. The game received an Apple Design Award, and currently has 4.5 stars on the App Store. Of course, if you're not a coffee drinker, you can download Three! for $1.99 in the App Store.