Change Lock Screen App Shortcuts

Problem: You want to change the shortcuts on the Lock Screen of your Android ICS device.

Solution: Settings → Security → Lock Screen Options → Shortcuts (don't click the toggle)

Edit Android Custom Dictionary

Problem: You accidentally inputted a word that's not a word, or you just want to edit the Custom Dictionary on your Android device.

Solution:
4.0.4 Ice Cream Sandwich: Home Screen > Settings > (Personal) Language and Input > (Keyboards and input methods) Samsung keyboard > Predictive text > My word list