LG P880 Quick Reference Manual page 201

Please use a fingertip while using the QuickMemo function. Do not
NOTE:
use your fingernail.
Using the QuickMemo options
You can easily use the QuickMenu options when using the QuickMemo function.
Selects whether to use the background screen or not.
Undo or Redo.
Selects the pen type and the colour.
Erases the memo that you created.
Touch to send your memo to others or share it via social network services.
Saves the memo with the current screen in the Gallery.
Viewing the saved QuickMemo
Touch Gallery and select the QuickMemo album.
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3
Touch in the Edit menu it to save
the memo with the current screen.