[Samsung Epic 4G Touch] freecharlesmanson:
This is what I have removed and know

AccountAndSyncSettings.apk	- Don’t Touch - Exactly what it says

AlertRecipients.apk - Don’t Touch -

AnalogClock.apk - optional - Analog Clock Widget

ApplicationsProvider.apk - Don’t Touch - Fetches the list of applications installed on the phone to provide search suggestions

AxT9IME.apk - optional - Samsung Keypad

BadgeProvider.apk - Don’t Touch

BluetoothAvrcp.apk	- Don’t Touch - Bluetooth

BluetoothOpp.apk - Don’t Touch - Bluetooth

BluetoothPbap.apk - Don’t Touch - Bluetooth

BluetoothTestMode.apk - Don’t Touch - Bluetooth

BooksPhone.apk - Optional - E-Reader App

BrcmBluetoothServices.apk - Don’t Touch - Bluetooth

Browser.apk - Optional - Stock Browser - Don't remove unless you have a third-party installed

BuddiesNow.apk - Optional - Buddies Widget for TW

CT.apk - Don’t Touch -

CalendarProvider.apk - Don't Touch - Calendar

CallSetting.apk - Don't Touch -

Camera.apk - Don't Touch - Camera

CertInstaller.apk - Don't Touch

ChocoEUKor.apk - Optional - Extra Font

ClockPackage.apk - optional - Stock Clock for TouchWiz

Contacts.apk - Don't Touch - Contacts

ContactsProvider.apk - Don't Touch - Contacts

DM.apk - Don't Touch - Unsure

DataCreate.apk - Don't Touch - Unsure

DefaultContainerService.apk - Don't Touch - Unsure

DefaultHomeSelector.apk - Don't Touch - Unsure

DeviceManagement.apk - Don't Touch - Unsure

DigitalClock.apk - Optional - TouchWiz Digital Clock Widget

Divx.apk - Don't Touch - Video Playback

Dlna.apk - Optional - DLNA connectivity, Part of AllShare

DownloadProvider.apk - Don't Touch - Stock Download Program

DownloadProviderUi.apk - Optional - UI for Stock Download Program

DrmProvider.apk - remove - not needed

DrmUA.apk -remove - not Needed for music playback

DualClock.apk - Optional - Dual Clock app

Email.apk - Optional - Stock Email app

EmailWidget.apk - Optional - Stock Email app Widget

Encrypt.apk - Don't Touch -

FTC.apk - optional -

FTM.apk - Optional - Wifi Sharing Manager

FTS.apk - Optional - Wifi Sharing

FactoryTest.apk - Optional -

Gallery3D.apk - Don't Touch - Stock Photo/Video Gallery App

Gmail.apk - Optional - Stock Gmail App

GoogleCalendarSyncAdapter.apk - Don't Touch - Calendar Sync

GoogleContactsSyncAdapter.apk - Don't Touch - Contact Sync

GoogleFeedback.apk - optional - ForceClose reporting

GooglePartnerSetup.apk - Don't Touch

GoogleQuickSearchBox.apk - Optional - Search box? Need for search in Phone app.

GoogleServicesFramework.apk - Don't Touch

HTMLViewer.apk - Optional -

HelvNeueLT.apk - Don't Touch - Stock fonts?

HiddenMenu.apk - Don't Touch -

InputEventApp.apk - Don't Touch -

install_flash_player.apk - optional - Flash Player

JobManager.apk - Optional - Stock Task Killer

Keytracer.apk - remove - does nothing

Kies.apk - Optional - Connection to Samsung Kies.

KiesAir.apk - Optional - Access your phone from your pc using Wifi.

kieswifi.apk - Optional - Connect to Samsung Kies via Wifi.

Launcher2.apk - Optional - Stock Android 2.3.4 launcher

LiveWallpapers.apk - Optional - Live Wallpaper Pack

LiveWallpapersPicker.apk - Optional - Live Wallpaper Chooser

LogsProvider.apk - Don't Touch - Needed for call logs.

Maps.apk - Stock - Google Maps

MarketUpdater.apk - Don't Touch - Updates app list / download list in market? Needed by Vending.apk

MediaHub.apk - Optional -

MediaProvider.apk - Don't Touch - Needed to access media files (including ringtones)

MediaUploader.apk - optional - Upload media to remote servers?

Microbesgl.apk - Optional - Microbes Live wallpaper

MinimalHome.apk -

Mms.apk - Don't Touch - Stock Messaging app - Will break MMS if you remove, even if you use a 3rd party

MmsProvisioning.apk - Don't Touch - Same as Mms.apk

MobilePrint.apk - Optional - Used to connect to Wifi Printers

MobileTrackerEngineTwo.apk - remove - Track your phone when stolen, part of samsung dive?

MotionsSettings.apk - Don't Touch - New tilt controls and panning?

MtpApplication.apk - optional - Samsung Kies Connection "Physical"

MusicPlayer.apk - Optional - Stock Music Player

MyFiles.apk - Optional - Stock File Explorer

NetworkLocation.apk - Don't Touch - Provides network (cell) location (as opposed to GPS location)

ODB.apk -

PRUI.apk - Optional - Play Drm Content

PackageInstaller.apk - Don't Touch - Used to manually install apks (non-market apks)

PanningTryActually.apk - Optional - Tutorial of motion sensor shortcuts

Personalization.apk - Don't Touch -

Phone.apk - Don't Touch - Phone app; Dialer screen

PhoneCrashNotifier.apk - Don't Touch -

PhoneErrService.apk - Don't Touch -

PhoneInfo.apk - Don't Touch -

Phone_Util.apk -

PhotoRetouching.apk - Optional - Photo Editing app

PicoTts.apk - Don't Touch - Part of the text - voice system

PolarisOffice.apk - Optional - New version of Thinkdroid, doesn’t associate with office docs, have to open them from the app itself.

PopupuiReceiver.apk - Don't Touch

Preconfig.apk - Don't Touch -

PrefAct.apk -

PressReader.apk - Optional - Stock News Reader app

Protips.apk - Optional - Protips widget

QuickView.apk - Don't Touch -

SMTEngine.apk - optional -	useless

SMTSetup.apk - optional -	useless

SamsungAppsUNAService.apk -	useless

SamsungWidget_News.apk - Optional - Stock News app

SamsungWidget_ProgramMonitor.apk - Optional - Widget for the Task manager, not required for using the task manager

SamsungWidget_StockClock.apk - Optional - Stock Clock Widget

SamsungWidget_WeatherClock.apk - Optional - Stock Weather widget

ScreenCaptureService.apk - Optional - Screen capture system

SecDownloadProvider.apk -

SecretWallpaper1.apk - Optional - Unsure, I removed without incident

SecretWallpaper2.apk - Optional - Unsure, I removed without incident

SecurityProvider.apk - Don't Touch -

SelfTestMode.apk -	Don't Touch -

SerialNumberLabelIndicator.apk -

SetWimaxSettings.apk - Don't Touch - 4G Settings?

Settings.apk - Don't Touch - Device Settings Menu

SettingsProvider.apk - Don't Touch - Settings Sync?

SetupWizard.apk - Optional - Setup Wizard when you first use your phone.

ShareApp.apk - Optional -

SisoDrmProvider.apk - remove - useless does not effect Music Playback

SlateTest.apk -

SmartDeviceManager.apk -

SnsAccountFb.apk - Optional - Facebook part of Social Hub

SnsAccountLi.apk - Optional - LinkedIn Part of Social Hub

SnsAccountTw.apk - Optional - Twitter part of Social Hub

SnsDisclaimer.apk - Optional - Part of Samsung Social Hub

SnsImageCache.apk - Optionaal - Part of Samsung Social Hub

SnsProvider.apk - Optional - Part of Samsung Social Hub

SocialHub.apk - Optional - Samsung Social Hub

SoundPlayer.apk -

SpeechRecorder.apk - Optional - Records audio samples to test speech recognition

SprintAndroidExtension.apk -optional

SprintMobileWallet.apk - Optional - Sprint Bloat

SprintZone.apk - Optional - Sprint Bloat

Sprint_Installer.apk - Optional - Not sure, I removed without issues

StaticIP.apk -

Street.apk -optional - Streetview for Google Maps

Swype.apk - Optional - Swype Keyboard

SystemInfo.apk - Don't Touch - System Information?

SystemUI.apk - Don't Touch - Android User Interface

Talk2.apk -optional - Google Talk

Tasks.apk	- Optional - Tasks App

TasksProvider.apk - Don't Touch -

TelephonyProvider.apk - Don't Touch - Phone Sync?

Term.apk - Optional - Give access to Terminal

TouchWiz30Launcher.apk - Optional - TouchWiz Launcher - Remove if you use a third Party Launcher

TouchWizCalculator.apk - Don't Touch - Stock Calculator

TouchWizCalendar.apk - Don't Touch - Stock Calender, Using TW or not

TrimApp.apk - Optional - Part of Video Editor app

TtsService.apk - optional - Text to Speech, needed by Navigator

TwCalendarAppWidget.apk - Optional - Widget for TW Calendar

TwWallpaperChooser.apk - Optional - Touchwiz Wallpaper Picker

UserDictionaryProvider.apk - Optional - Dictionary for keyboard

Vending.apk - Don't Touch - Part of Market

VideoEditor.apk - Optional - Video Editor

VideoPlayer.apk -	Optional - Stock Video Player

VoiceRecorder.apk - Optional - Voice Recorder App

VoiceSearch.apk - optional - Voice Search for Google Search, Google Maps, etc.

VoiceToGo.apk - Optional - Driving Mode, commands for music require music.apk

VpnServices.apk - Optional - Connect to VPN

W_Installer.apk -

Leave all wimax alone

wssyncmlnps.apk -optional- this is actually the its update app, that means profile and Peking as well

WiFi test is the same but for over