What are your best Apps for the Android operating system? (smart Phone)

[Special T]

It has been a few years since I've had a smart phone. I just got the Samsung Rugby Pro with the Android operating system. I would like to know what you think are the best most useful apps for your phone.   I saw Loki the other day and he happens to have the same phone. When i looked at just the free apps there seems to be several makers for things i need.
Some things i know i'll want are GPS mapping, Craigslist, gas finder(mostly need diesel) etc.

[deerslyr]

I like shazam, weather channel, wells fargo (literally never have to go to the bank with the mobile deposit), flash light , alaska air, etc I even have an app for my DSLR that allows me to shoot time lapse, pretty cool app.

[jrebel]

I have a pretty awsome "fart" app.  It generates fart sounds at a push of a button.   

[beak-in-the-barrel]

I have a pretty awsome "fart" app.  It generates fart sounds at a push of a button.   

Awesome... 

[Yankee]

The fart apps are great, especially for someone with a childish sense of humor like me.  I was busting up a couple of kids at a restaurant one time, parents weren't that amused. 

Weather Channel
Tapatalk, for checking out the forum when you're mobile
Pandora
Plague (game)

[jennyfell55]

Where's My Droid is crucial if you ever misplace your phone.
Astrid is a good task list (for keeping track of when things are due)
GasBuddy is a gas finder

Google Sky Map is fun

I'll think of some more later 

[lokidog]

You'll like Gas Buddy.

The camera is pretty decent in these as well.  Took this today.

I also use Marinetraffic.com which gives positions and tracks plus other info for most commercial ships/tugs and ferries using Puget Sound.  Also some larger pleasure craft have transponders.  It is nice when out there in the fog since I don't have radar.

[Shawn Ryan]

Backcountry Navigator makes a good GPS mapping app.  Sat photo and topo maps are downloadable, thus, available when out of cell range.  $10 when I purchased.

[Becky]

Candy crush saga