[Galaxy S III Themes and Apps  (US Carriers)] ChitownWingMan:
My two cents (plain)

If you understand the title then you are older than you look :)

My favorite apps (must have in bold):

Barcode Scanner v4.2 (reads the most barcode types)

Note Everything (I use the pro version)

Quick Pic (fastest picture viewer I have found)

File Expert Pro (build in web server for uploading to phone)

NeoCal (best RPN calculator I could find)

Sound Hound Infinity (song recognition)

handyConverter (versatile units converter)

Titanium Backup Pro (best backup program available)

Fresh Network (disconnects, resets and reconnects cell radio)

Google Translate

Network Signal Info (for cellular and WiFi radios)

Dolphin Browser (fastest browser I've found)

Handicent SMS (still looking for messaging app better than stock or go)

Go Launcher Ex

AdAway (Seems to stop more adds than AdFree)

Android Desktop (best remote desktop for Android I have found)

Lucky Patcher (to remove those pesky adds)

Ringo Pro (notification modifier, switched to this from Ringdroid)

SuperSu (seems to work a little better than superuser)

Storage Analyzer (Best flash usage analyzer I've found)

Satellite AR (Shows what satellites are visible, very geeky cool)

Gas Buddy (shows gas prices at nearby gas stations)

Birdie Sync (for contact synchronization with Thunderbird/Outlook)

ezPDF (PDF reader that reformats the pages if you zoom in or out)

AndroSensor (shows you what sensors you have and their values)

Z-Device Test (similar to AndroSensor but adds hardware other than sensors)

DirecTV (Watch TV Shows on your phone, for DirecTV subscribers)

Skifta (DLNA client and server. Allows DLNA enabled devices (TV's, Blue Ray

players, etc.) to watch videos and view pictures on your phone and

enables phone to play/view media on any DLNA servers on your

network)

Cardiogram (measures heart rate using camera, geeky cool, not sure how usefull)

The Whip (gotta have just for fun. Motivate your team)

Signals (Every kind of signals imaginable 10-4)

DaTuner (better display) or gString (more features) Instrument Tuner

AutoWifi (periodically checks to see if there is a known WiFi network in

range and if there is, automatically connects to it. Saves

battery by not constantly searching for open WiFi)

Fing (local network analyzer)

WiFi Tether (WiFi tethering without paying T-Mobile)

WiFi Analyzer (The best WiFi analyzer I have found)

Smart Tools (great collection of tools [level, Angle, Distance, sound, etc])

Ulysses Speed (Great speedometer, had lots of fun with this on the Autobahn)

SD Maid (Good for cleaning up "Corpses" and other detritus on your phone)

CPU Sleep (puts all but 1 CPU asleep during power off, saves battery)

RocketDial/RocketContacts (Best Dialer/Contact manager I have found)

Battery Monitor (Best battery monitor widget I have found)

DroidLight (Simple flashlight widget)

Elixer (good widget tool bar with toggles, status and more)

Go Task Manager (good task manager widget)

MultiMount USB (Allows SD card to be used by phone and PC/MAC at the same

time)

Perfect Keyboard (Best multi lingual keyboard app I have found)

Silent Mode Switcher (Toggles speaker on and off with a shake on the lock

screen)

Smart Screen Off Pro (turns screen off when proximity/light sensor is covered.

Keeps hip/butt dialing to a minimum. This should be

a basic feature in all phones)

Smooth Calendar (Good calendar widget)

World Weather Widget (Good weather widget, allows multiple widgets on

screen).