for information there are similar but different amigaguide solution to search and launch pre-installed whdload's games and demos:
Indeed, i had longtimes ago done amigaguide files to search and launch installed whdload's game on HD
here last links:
see avi video for démonstration in attachement in rar archive...
I use this tools and amigaguide file since many years to search or/and launch my whdload's games using amigaguide file
Look video and you understand that it's simple
Indeed amigafile is already created, you have just to install this 2 tools on hard drive and modify folder parameters in file 'env-archive:WhdAutolaunch.prefs'.
But installed whdload's games must be placed in folder like:
And, games name's folder must use the protocol of whdload's package names.
By example for 'AlienBreed3D.lha' installer package, game must be installed in:
So game folder will be automatically seeked in/
if game is found when you click on game name in amigaguide file, game will be automatically launched or the game's folder opened or a choice menu will be appeared according your parameters set in 'Env-archive/WHDAutoLaunch.prefs' file.
(see doc for more explain)