Top 5 apps for cell phone, tablet... of 2011

I know a lot of you guys have iPhones or androids, iPads.... what are your top 5 apps from 2011 See if there is any thing I have been missing out on

5.My local bank app
4.Instagram
3.Key Ring
2.My Xbox Live
1. Flipboard

1. Pandora
2. facebook
3. XBL friends list
4. PS3 friends list
5. Radio PUP

I have these for iPhone but I think they're all available Android and tablets:

5.) TwitchTv
4.) Shazaam
3.) Facebook
2.) Sports Tap
1.) My Xbox Live

5 - Guitar Toolkit
Great for anyone that plays or owns a guitar. Spendy.
4 - Lose It!
Good Way to track daily calorie/nutrient intake. Helps me remember if I still need more protein.
3 - Shazam
Use it pretty often to find out what various songs I hear are.
2 - Impossible Game
Just an amazing game.
1 - Chess.com App
If you play chess, get this app. Great way to casually play games and learn more.

Ranked in order of use. I left out facebook. Hate the mobile version, but still use it a ton.