It is possible to download it from HP.
4.0 (May 2, 2010)
aLunch (net.mactips-lib.alunch) is a Mac software application that has been discovered and submitted by users of Software.com. The latest version that our users have reported running on their systems is aLunch 3.6.5.
Operating System: Mac
Default Install Path: /Applications/aLunch/aLunch.app