Aqui teneis un listado con las apps de sistema, una breve descripción y si es seguro quitarlas o no. Creo que está sacado de un SGS2 pero hay muchas que son comunes a todos los dispositivos. Esta en ingles pero no tiene mucho misterio. Que os aprovechee

(En la parte de abajo de la tabla tenéis la barra para molerla hacia la derecha)

	Titanium Backup name	Package name	APK name	Remove	Description
	Account and Sync Settings	com.android.providers.subscribedfeeds	AccountAndSyncSettings.apk	No	Syncs settings to Google servers. Needed for Gmail app notifications.
	AccuWeather.com	com.sec.android.widgetapp.weatherclock	SamsungWidget_WeatherClock.apk	Yes	Weather Clock Widget
	Adobe Flash Player 10.1	com.adobe.flashplayer	install_flash_player.apk	No
	AlertRecipients	com.samsung.AlertRecipients	AlertRecipients.apk	No
	AllShare	com.sec.android.app.dlna	Dlna.apk	Yes	DLNA connectivity, Part of AllShare
	Android Live Wallpapers	com.android.wallpaper	LiveWallpapers.apk	Yes	Android Live Wallpapers
	Ap Mobile	com.sec.android.widgetapp.apnews	SamsungWidget_News.apk	Yes	AP News Widget
	AppLock	com.samsung.AppLock	AppLock.apk	No
	BadgeProvider	com.sec.android.provider.badge	BadgeProvider.apk	No
	Bluetooth Share	com.android.bluetooth	BluetoothOpp.apk	Yes	Bluetooth app
	Bluetooth Share	com.broadcom.bt.app.pbap	BluetoothPbap.apk	No
	BluetoothAvrcp	com.broadcom.bt.avrcp	BluetoothAvrcp.apk	No
	BluetoothTest	com.android.bluetoothtest	BluetoothTestMode.apk	No
	BrcmBluetoothServices	com.broadcom.bt.app.system	BrcmBluetoothServices.apk	No
	Buddies now	com.sec.android.widgetapp.buddiesnow	BuddiesNow.apk	Yes	Buddies Widget
	Calculator	com.sec.android.app.calculator	TouchWizCalculator.apk	Yes	Calculator app
	Calendar	com.android.calendar	TouchWizCalendar.apk	Yes	Calendar
	Calendar	com.sec.android.widgetapp.TwCalendarAppWidget	TwCalendarAppWidget.apk	Yes	TouchWiz Calendar Widget
	Calendar Storage	com.android.providers.calendar	CalendarProvider.apk	Yes	Calendar Sync
	calendarchooser	com.sec.android.app.twwallpaperchooser	TwWallpaperChooser.apk	Yes	TouchWiz Wallpaper selector
	Call settings	com.sec.android.app.callsetting	CallSetting.apk	No
	Camera	com.sec.android.app.camera	Camera.apk	Yes	Camera app
	Certificate installer	com.android.certinstaller	CertInstaller.apk	No	(Web?) Certificate Installer. When removed, the WIFI will not be turned on (Automatically turned off).
	ChocoEUKor	com.monotype.android.font.chococooky	ChocoEUKor.apk	Yes	Extra font
	Clock	com.sec.android.app.clockpackage	ClockPackage.apk	Caution	Clock/Timer/Stopwatch app + Clock widgets, Provides Alarm and system clock for other apps
	Clock	com.sec.android.widgetapp.analogclock	AnalogClock.apk	Yes	Analog Clock Widget
	com.newspaperdirect.pressreader.android.samsung	com.newspaperdirect.pressreader.android.samsung	PressReader.apk	Yes	Magazine reader, part of readers hub
	com.orange.authentication.simcard.permission	com.orange.authentication.simcard.permission	SimServicePermission.apk	Caution	When not using Orange, can be safely deleted
	com.samsung.app.playreadyui	com.samsung.app.playreadyui	PRUI.apk	Yes	Play DRM content
	com.samsung.InputEventApp	com.samsung.InputEventApp	InputEventApp.apk	No
	com.sec.android.app.lcdtest	com.sec.android.app.lcdtest	lcdtest.apk	Yes	LCD Test
	com.sec.android.app.samsungapps.una	com.sec.android.app.samsungapps.una	SamsungAppsUNAService.apk	Yes	Part of Samsung Apps
	com.sec.android.app.screencapture	com.sec.android.app.screencapture	ScreenCaptureService.apk	Yes	Make screenshots
	com.sec.android.app.smtsetup	com.sec.android.app.smtsetup	SMTSetup.apk	No
	com.sec.android.app.snsimagecache	com.sec.android.app.snsimagecache	SnsImageCache.apk	Yes	Part of Samsung Social Hub
	com.sec.android.providers.downloads	com.sec.android.providers.downloads	SecDownloadProvider.apk	No
	Contacts	com.android.contacts	Contacts.apk	No	Contacts app; the Call log, Contacts and Favorites screens
	Contacts Storage	com.android.providers.contacts	ContactsProvider.apk	No	Contacts Sync
	CrashNotifier	com.samsung.crashnotifier	PhoneCrashNotifier.apk	No
	CSC	com.samsung.sec.android.application.csc	CSC.apk	No	Country Specific Codes, controls APN settings, etc.
	DataCreate	com.android.samsungtest.DataCreate	DataCreate.apk	No	Needed each boot (function unknown)
	Days	com.sec.android.widgetapp.days	Days.apk	Yes	Days Widget
	Dialer	com.android.phone	Phone.apk	No	Phone app; Dialer screen
	Dialer Storage	com.android.providers.telephony	TelephonyProvider.apk	No	Phone sync?
	DigiLezen	com.txtr.android.bol	Bol.com_version_1.0.3.3.apk	Yes	Bol.com Digilezen app
	Digital clock	com.sec.android.widgetapp.digitalclock	DigitalClock.apk	Yes	Digital Clock Widget
	Download Manager	com.android.providers.downloads	DownloadProvider.apk	No	Handles downloading files (Market, Browser, etc)
	Downloads	com.android.providers.downloads.ui	DownloadProviderUi.apk	Yes	Downloads app
	DRM content	com.sec.android.providers.drm	SisoDrmProvider.apk	No	Needed for music playback
	DRM content launcher	com.sec.android.app.drmua	DrmUA.apk	No	Needed for music playback
	DRM Protected Content Storage	com.android.providers.drm	DrmProvider.apk	No	Provides DRM functions, needed to access media files (including ringtones)
	Dual clock	com.sec.android.widgetapp.dualclock	DualClock.apk	Yes	Dual Clock Widget
	Email	com.android.email	Email.apk	Yes	POP/IMAP email client, needed by the email widget
	Email	com.sec.android.widgetapp.emailwidget	EmailWidget.apk	Yes	Email Widget, requires Email.apk
	EncryptApp	com.sec.android.app.encrypt	Encrypt.apk	No
	Error	com.sec.app.RilErrorNotifier	PhoneErrService.apk	No
	Factory Test	com.sec.android.app.factorytest	FactoryTest.apk	Yes	Factory Test
	FM radio	com.sec.android.app.fm	FmRadio.apk	Yes	FM Radio
	Gallery	com.cooliris.media	Gallery3D.apk	Yes	3D Photo Gallery app (needed for lock screen wallpaper changer)
	Game Hub	com.ngmoco.gamehubmobage	GameHub.apk	Yes	Samsung Game Hub
	Gmail	com.google.android.gm	Gmail.apk	Caution	Gmail app
	Google Backup Transport	com.google.android.backup	GoogleBackupTransport.apk	Caution	Backup Mechanism for apps and settings?
	Google Calendar Sync	com.google.android.syncadapters.calendar	GoogleCalendarSyncAdapter.apk	Caution	Calendar Sync
	Google Contacts Sync	com.google.android.syncadapters.contacts	GoogleContactsSyncAdapter.apk	Caution	Contacts Sync
	Google Partner Setup	com.google.android.partnersetup	GooglePartnerSetup.apk	Caution	???
	Google Search	com.google.android.googlequicksearchbox	GoogleQuickSearchBox.apk	Yes	Search box? Need for search in Phone app.
	Google Services Framework	com.google.android.gsf	GoogleServicesFramework.apk	Caution	Provides account / login information to Google Apps
	Helv Neue S	com.monotype.android.font.helvneuelt	HelvNeueLT.apk	Yes	Extra font
	Home screen tips	com.android.protips	Protips.apk	Yes	Protips widget
	HTML Viewer	com.android.htmlviewer	HTMLViewer.apk	Yes	??? Doesn't seem to be needed
	IM	com.sec.android.im	SamsungIM.apk	Yes	IM app
	IMEITracker	com.android.IMEITracker	IMEITracker.apk	Yes	Track your phone when stolen, part of samsung dive
	Internet	com.android.browser	Browser.apk	Yes	Internet Browser
	Kies air	com.samsung.swift.app.kiesair	KiesAir.apk	Yes	Access your phone from your pc using Wifi
	Kies via Wi-Fi	com.sec.android.app.kieswifi	kieswifi.apk	Yes	Connect to Samsung Kies via Wifi
	Kobo	com.kobobooks.samsung.android	Kobo.apk	Yes	Magazine reader, part of readers hub
	Let's try, panning!	com.sec.android.motions.settings.panningtutorial	PanningTryActually.apk	Yes	Tutorial of motion sensor shortcuts
	Licence settings	com.samsung.android.app.divx	Divx.apk	Yes	DivX Player
	Live Wallpaper Picker	com.android.wallpaper.livepicker	LiveWallpapersPicker.apk	Caution	Live Wallpaper Selector
	LogsProvider	com.sec.android.provider.logsprovider	LogsProvider.apk	No	Needed for call logs
	Market	com.android.vending	data/app/com.android.vending-1.apk	Caution	Market app
	Market Feedback Agent	com.google.android.feedback	GoogleFeedback.apk	Caution	ForceClose reporting
	Market Updater	com.android.vending.updater	MarketUpdater.apk	Caution	Updates app list / download list in market? Needed by Vending.apk
	Media Storage	com.android.providers.media	MediaProvider.apk	No	Needed to access media files (including ringtones)
	Memo	com.sec.android.app.memo	Memo.apk	Yes	Memo app
	Messaging	com.android.mms	Mms.apk	Yes	Provides sms and mms (text) services
	Microbes	com.samsung.android.livewallpaper.microbesgl	Microbesgl.apk	Yes	Microbes Live wallpaper
	Mini diary	com.sec.android.app.minidiary	MiniDiary.apk	Yes	Mini Diary app
	Mini paper	com.sec.android.widgetapp.postit	PostIt.apk	Yes	Mini Paper Widget
	MmsProvision	com.sec.android.app.MmsProvision	MmsProvisioning.apk	Yes	Provides sms and mms (text) services
	Mobile Print	com.sec.android.app.mobileprint	MobilePrint.apk	Yes	Used to communicate with Wifi printers
	Mobile tracker	com.android.settings.mt	MobileTrackerEngineTwo.apk	Yes	Track your phone when stolen, part of samsung dive
	Motion settings	com.sec.android.motions.settings	MotionsSettings.apk	No
	MTP Application	com.android.MtpApplication	MtpApplication.apk	No	Needed to connect to Samsung Kies
	Music	com.android.music	MusicPlayer.apk	Yes	Stock Music Player
	Music Hub	com.samsung.music	MusicHub_U1.apk	Yes	Samsung Music Hub
	My files	com.sec.android.app.myfiles	MyFiles.apk	Yes	Files Explorer
	My Uploads	com.google.android.apps.uploader	MediaUploader.apk	Caution	Upload media to remote servers? Picasa?
	Network Location	com.google.android.location	NetworkLocation.apk	Caution	Provides network (cell) location (as opposed to GPS location)
	News & Weather	com.google.android.apps.genie.geniewidget	GenieWidget.apk	Yes	News & Weather widget
	Ocean weather	com.sec.ccl.csp.app.secretwallpaper.themeone	SecretWallpaper1.apk	Yes	Secret Wallpaper
	OMACP	com.wsomacp	wssomacp.apk	No	SMS/MMS notification/receiving app
	Package Access Helper	com.android.defcontainer	DefaultContainerService.apk	No	Needed to install apps
	Package installer	com.android.packageinstaller	PackageInstaller.apk	No	Used to manually install apks (i.e. non-market apks)
	PCWDevice	com.sec.pcw.device	PCWClientS.apk	No	Unknown?; Freezing causes crashes in android.process.acore (android OS)
	Perso	com.sec.android.app.personalization	Personalization.apk	No
	PhoneUtil	com.sec.android.app.phoneutil	Phone_Util.apk	No
	Photo editor	com.sec.android.mimage.photoretouching	PhotoRetouching.apk	Yes	Part of Image Editor
	Pico TTS	com.svox.pico	PicoTts.apk	Yes	Text to speech
	Polaris Office	com.infraware.polarisoffice	PolarisOffice.apk	Yes	Polaris Office app
	PopupuiReceiver	com.sec.android.app.popupuireceiver	PopupuiReceiver.apk	No
	Preconfig	com.android.Preconfig	Preconfig.apk	No
	Program Monitor	com.sec.android.widgetapp.programmonitorwidget	SamsungWidget_ProgramMonitor.apk	Yes	Program Monitor Widget
	QuickView	com.arcsoft.quickview	QuickView.apk	No
	Readers Hub	com.sec.android.app.readershub	ReadersHub.apk	Yes	Readers hub
	Samsung account	com.osp.app.signin	signin.apk	Yes	Samsung account (you won't be able to open > Settings > About phone > Software update)
	Samsung Apps	com.sec.android.app.samsungapps	SamsungApps.apk	Yes	Samsung Apps
	Samsung keypad	com.sec.android.inputmethod.axt9	AxT9IME.apk	Caution	Samsung Keypad
	Samsung MMM	com.samsung.mmm	MMM_Smartphone_1.5.1_final.apk	Yes	Samsung MMM Widget
	Samsung TTS	com.samsung.SMT	SMTEngine.apk	No
	Search Applications Provider	com.android.providers.applications	ApplicationsProvider.apk	Yes	Fetches the list of applications installed on the phone to provide search suggestions.
	Security Storage	com.android.providers.security	SecurityProvider.apk	No
	Self Test Mode	com.sec.android.app.selftestmode	SelfTestMode.apk	No
	Serial Number Read/Write	com.sec.android.app.MainLabel	SerialNumberLabelIndicator.apk	No
	Service mode	com.sec.android.app.servicemodeapp	serviceModeApp.apk	No
	Settings	com.android.settings	Settings.apk	No	Devices settings menu
	Settings Storage	com.android.providers.settings	SettingsProvider.apk	No	Settings sync?
	Setup Wizard	com.android.setupwizard	SetupWizard.apk	Yes	Setup Wizard when you first use your phone, you can manually configure your accounts later when deleted
	Share App	com.sec.android.app.shareapp	ShareApp.apk	No
	ShutdownApp	com.sec.android.app.shutdown	shutdown.apk	Yes	Controls the shutdown process
	SIM Toolkit	com.android.stk	Stk.apk	Yes	Sim Tool Kit; manages multiple SIM cards; SMS services
	SNS	com.sec.android.app.sns	SnsProvider.apk	Yes	Part of Samsung Social Hub
	SNS disclaimer	com.sec.android.app.snsdisclaimer	SnsDisclaimer.apk	Yes	Part of Samsung Social Hub
	SNSAccountFb	com.sec.android.app.snsaccountfb	SnsAccountFb.apk	Yes	Facebook part of Samsung Social Hub
	SNSAccountLi	com.sec.android.app.snsaccountli	SnsAccountLi.apk	Yes	LinkedIN part of Samsung Social Hub
	SNSAccountMs	com.sec.android.app.snsaccountms	SnsAccountMs.apk	Yes	MySpace part of Samsung Social Hub
	SNSAccountTw	com.sec.android.app.snsaccounttw	SnsAccountTw.apk	Yes	Twitter part of Samsung Social Hub
	Social Hub	com.sec.android.socialhub	SocialHub.apk	Yes	Samsung Social Hub
	Social Hub	com.seven.Z7	SevenEngine.apk	Yes	Part of Samsung Social Hub (needed for IM client)
	Software update	com.wssyncmldm	syncmldm.apk	Yes	Software Update (You won't be able to open > Settings > About phone > Software update)
	Sound player	com.sec.android.app.soundplayer	SoundPlayer.apk	Yes
	Speech Recorder	com.android.speechrecorder	SpeechRecorder.apk	Yes	Records audio samples to test speech recognition
	Status Bar	com.android.systemui	SystemUI.apk	No	Android user interface
	Street View	com.google.android.street	Street.apk	Caution	Streetview for Google maps
	Swype	com.swype.android.inputmethod	Swype.apk	Caution	Swype Keyboard
	SyncmlDS	com.smlds	syncmlds.apk	No	Samsung Account (You won't be able to open > Settings > About phone > Software update, removal causes battery drain)
	Talk	com.google.android.talk	Talk.apk	Caution	Google Talk
	Task	com.android.task	Tasks.apk	Yes	Tasks app (does not sync with google tasks)
	Task manager	com.sec.android.app.controlpanel	JobManager.apk	No	Task Manager
	Tasks provider	com.android.providers.tasks	TasksProvider.apk	No
	Terminal Emulator	com.android.term	Term.apk	Yes	Gives access to terminal
	TrimApp	com.lifevibes.trimapp	TrimApp.apk	Yes	Part of Video Editor app
	TTS Service	android.tts	TtsService.apk	Caution	Text to Speech. Needed by Google Navigator from Google Maps v5+. Otherwise, safe to remove.
	TwLauncher	com.sec.android.app.twlauncher	TouchWiz30Launcher.apk	Caution	TouchWiz 3.0
	USB settings	com.sec.android.Kies	Kies.apk	Yes	Connect to Samsung Kies
	User Dictionary	com.android.providers.userdictionary	UserDictionaryProvider.apk	Yes	Dictionary for LatinIME(keyboard) / Needed for LatinIME.apk to function
	Video maker	com.sec.android.app.ve	VideoEditor.apk	Yes	Video Editor
	Videos	com.sec.android.app.videoplayer	VideoPlayer.apk	Yes	Video Player
	Voice command	com.vlingo.client.samsung	VoiceToGo.apk	Yes	Driving Mode, commands for music require music.apk
	Voice recorder	com.sec.android.app.voicerecorder	VoiceRecorder.apk	Yes	Voice Recorder app
	Voice Search	com.google.android.voicesearch	VoiceSearch.apk	Caution	Voice Search for Google Search, Google Maps, etc
	VPN Services	com.android.server.vpn	VpnServices.apk	Yes	Connect to VPN
	Wi-Fi	com.sec.android.app.FileTransferClient	FTC.apk	No
	Wi-Fi sharing	com.sec.android.app.FileTransferServer	FTS.apk	Yes	Wifi Sharing
	Wi-Fi sharing manager	com.sec.android.app.FileTransferManager	FTM.apk	Yes	Wifi Sharing Manager
	Windy weather	com.sec.ccl.csp.app.secretwallpaper.themetwo	SecretWallpaper2.apk	Yes	Secret Wallpaper
	wipeoutreceiver	com.wipereceiver	wipereceiver.apk	Yes	Remotely wipe data when phone is stolen, part of samsung dive
	Wlan Test	com.sec.android.app.wlantest	WlanTest.apk	Yes	Test Wlan Connectivity
	wssyncmlnps	com.wssnps	wssyncmlnps.apk	Yes	Needed for syncing with Samsung Kies
	Yahoo! Finance	com.sec.android.widgetapp.stockclock	SamsungWidget_StockClock.apk	Yes	Yahoo Finance Widget
	YouTube	com.google.android.youtube	YouTube.apk	Caution	Youtube app
	Zinio Reader	com.zinio.samsung.android	Zinio.apk	Yes	Magazine reader, part of readers hub

Fuente: xda-developers