This is marketing fluff within the piracy scene. It might imply:
: Introduced new modules to wipe leftover program data and clear traces from over 25 different web browsers.
Put background programs to sleep when not in use to free up system memory and CPU power. TuneUp Economy Mode:
: Users noted a "snappier" feel when opening applications like iTunes or Photoshop due to reduced background load. "Repack Extra Quality" Context