Dark RED -- Definitely unsafe
Dark ORANGE -- Unsure.
Dark GREEN -- Safe and Tested by me or someone else.
Indigo -- Safe under certain conditions.
I tried to put these in groups to make it easier to find yours.
semchome.apk <=> HomeScreen ( works if you have replaced the default see conditions at bottom )
youtube.apk <=> Youtube App
facebook.apk <=> Facebook App
talk.apk <=> Google Talk
trackid.apk <=> Identify Songs
neoreader.apk <=> Code Reader
calculator.apk <=> Calculator
timer.apk <=> Timer Countdown
stopwatch.apk <=> Timer
notes.apk <=> Notes
stk.apk <=> Menu Operator
Peggle.apk <=> Game
CaliforniaGoldRush.apk <=> Game
rollercoaster.apk <=> Game
playnowinstaller.apk <=> PlayNow Online Store
playnowback.apk <=> PlayNow Online Store
playnowclient.apk <=> PlayNow Online Store
Emanual.apk <=> Online Manual Phone
EmanualLauncher.apk <=> Online Manual Phone
Timescape-smallui.apk <=> TimeScape
timescapepluginmanager.apk <=> TimeScape
timescapeprovider.apk <=> TimeScape
datatrafficswitch.apk <=> Widget data
digitalclockwidget.apk <=> Digital Clock Widget
wisepilot.apk <=> GPS App
usersupport.apk <=> always refer to a website)
Maps.apk <=> Google Maps
Street.apk <=> Google Maps
roadsync.apk <=> A Sync Program
GeoTag.apk <=> Geolocation
PicoTts.apk <=> Speech
TtsService.apk <=> Speech
semcsetupwizard.apk <=> Configuration Wizard Sony Ericsson
syncwizard.apk <=> Wizard Sync with Sony Ericsson
sync.apk <=> To Synchronize with the Sony Ericsson service
semcemailsmall.apk <=> email manager (preserve GMAIL.APK)
ReadyToRun.apk <=> to remove the SMS record
semcbrowser.apk <=> WEB browser
SEMCSettings.apk <=> to remove the configuration menu sonyericsson Settings
I will only add .apk files with a description at the side of them without the description I will not add them as its pointless because it wont be anything new.
Ill update this more as I find out more information and trail and error myself...
More info on Removal list ClickHere