Zing! FREE I've always wanted to have a little keychain of sound effects to carry around with me. Bow chicka bow wow, the sad trombone, or dun dun duuuuunnn! and more... But I'm that kinda guy.

Peggle I use this every day on my train ride home. It's a different challenge and relentlessly entertaining.

Favit, by Favstar.fm While Zing! helps me make others laugh, Favit's always great for a laugh. The best, funniest tweets on the web are here... and they're worth the price of admission

Words With Friends It's basically Scrabble, but all my friends are on it, and it's a game that's both at your leisure and horribly addicting.

Twitter Twitter's entertainment, isn't it? Tweetie's the slickest iphone app for Twitter, bar none.