Office Mobile is worth downloading if you're a current Office 365 subscriber, but with only basic editing features, this app should be free for all.
With its unique features for both hotel and flight search, Hipmunk is unquestionably one of the best travel apps on the market.
The Navigon app for Android brings the quality maps and routes that we expect from a Garmin-branded navigation product, but the interface spoils the experience.
If you like word games or puzzles, then Ruzzle is one of the best available. But consider getting the ad-free and more feature-packed premium version.
Asphalt 8: Airborne is probably the best arcade racing game I've seen yet, with tons of light-hearted racing fun, but you'll have to fight the urge to spend your money.
Circa is a fantastic free tool for reading breaking news and staying informed wherever you are.
This is easily the best sports game on mobile devices, bringing realistic soccer to your touch screen and a ton of content and game modes to explore.
Xbox Music feels more like a first foray into music streaming rather than a finished product; it's functional, but it needs more features to compare with established apps like Spotify.
Shazam lacks a few of rival SoundHound's power features, but without question, it looks better and is easier to use.
Great for fans of the original and anyone looking for side-scrolling run-and-gun action, Contra: Evolution is well worth its relatively cheap 99-cent price tag.
Despite its overwhelming design, Foursquare is a great way to find the hottest spots around you that suit your tastes.
Even with its wealth of features, Camera360 is a tough sell because of its missing basics and difficult interface.
Android 4.4 KitKat brings Android to the masses, introduces a minimal design, and puts Google search in your dialer.
Despite its minor imperfections, this app is a must-have for any Tumblr user.
With its impressive menu of listening options (particularly for premium subscribers), Slacker Radio is one of the best streaming-music apps on the market.
With new birds, new powers, and a ton of new levels to explore in the "Star Wars" universe, Angry Birds Star Wars is a worthy purchase, even if you've played all the previous games.
Better than Instapaper and other competitors, Pocket is the app to beat when it comes to bookmarking and managing links.
If you use Google Hangouts or you used to use Google Talk frequently, then you should enjoy the convenience of a chat and video-calling app.