Set Last Played/Last Skipped date of selected tracks to a new date, with option to increase or decrease Plays/Skips.
OS X 10.6 or better only. Previous universal version available at the link below in the "Info" section.
Also see Add or Subtract Play Count.
Like so. The Last Played date of the selected tracks will be set to January 9, 2012 at 10:07 and the Plays will be decreased by 1. The latter is an option that can be toggled on and off with the checkbox.
Set choice of various number tags of selected tracks incrementally
Batch-reset the Start and Stop Time of selected tracks to their entire duration
Select iPod tracks in iTunes and add them to iTunes
Apply selected CD's CD Text to its disc and track tags
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
Applet assists with swapping, copying, appending data between track tags