-TweetDeck (best twitter client IMO)

-Hacker News Reader (HN client, I have a few installed as they regularly start/stop working)

-Reddit is fun (reddit client)

-Hanging with friends free (hangman game)

-Google listen (podcasts)

-Amazon Kindle (books)

-Google Authenticator (two factor auth for google services)

-Alarm Clock Plus (alarm clock app, has a feature that makes you do math before you can turn alarm clock off - only way I can get up after late night coding )

-Google Reader

-Pulse Reader

-ESPNCricinfo (cricket scores)

-Beautiful Widgets (weather widget, changes background based on weather)

-Robo defense (tower defense game)