Best Apps Using Facebook Connect
Facebook Connect has exploded on iPhone and is used for almost everything. If you're not familiar with it, Facebook Connect allows apps and services to use your Facebook account information in really cool ways. Sometimes this means letting an iPhone app publish stuff to your Facebook profile, but other times it leverages your Facebook friends to do some really interesting things, like play games.
Words With Friends
Words With Friends is the ultimate Scrabble game to play with friends. It is versatile, allowing you to play against anyone with an iDevice, Android or computer. It offers push notification when it is your turn to move and highlights the last move. Challenge your Facebook and Twitter friends or even suggest a game with people on your contact list. It offers both a free and paid version.
Movies by Flixster, with Rotten Tomatoes
Rate and review films directly to Facebook and create a list of movies you want to see. See how your friends have rated movies and then go criticize them about their ridiculous ratings. And this is just the Facebook Connect portion of the app. It's also a fully featured movies app.
Live Poker by Zynga
This is the most popular Texas Hold'Em Poker App on Facebook; you can play against your friends or strangers live. The app works great on both 3G and WIFI. They also offer Tournaments and Sit-N-Go games. Leaderboards post your stats and those of your friends.
Bejeweled 2 + Blitz
Participate with your Facebook friends in a weekly Bejeweled tournament. Play by connecting three or more jewels at a time within one minute. After playing, your score is added to the scoreboard so you can see your current ranking. This is a great app if you have a few minutes to kill.
Doodle Jump
Lots of apps let you update your high scores to Twitter and/or Facebook, but this one is among the most addictive. When you get a new high score, the feeling of pride is overwhelming and thus belongs on your Facebook wall.
Instagram is a fun way to post photos and share a photo stream with friends. Dubbed as a "life sharing app", it will upload and post on Facebook, Twitter or email. It also can mark location for checking in. It is easy to follow friends and scroll through their images.
Foursquare
Foursquare is a great little app for checking in on Facebook while also seeing and reading what those who ventured before you posted. It uses your location to find local events, restaurants, coffee shops and entertainment and allows you to take notes and add photos and also add a location to a to-do list. It is easy to use and fun as a quick "I am here" app.
Flight Control
This game lets you take the role of Air Traffic Controller, directing aircraft to land safely at a virtual airport. Unlike the real job, this will not put you to sleep. Each level increases traffic and the challenge. Just like Doodle Jump, this app lets you update your high score to Facebook and is also among the more addictive apps in the App Store.