thanks a lot for your answer.
Perhaps we speak about different things? In the PortableApps.com scheme, the folder with all the apps is (not hidden, and is):
and most cached files are not in C:\temp or C:\windows\temp, but below those folders named above inside \Data\, e.g.
The idea (of my feature request) is actually not needing to "know what to clean" but ...
... offer a scanner, which scans
and then maps the results (a list of all installed portableApps) to the already known CCleaner knowledge about those apps.
So that their cleaning can be automated. Perhaps in a separate tab, like CCleaner --> Cleaner --> [Windows, Applications, PortableApps].
I think that feature request would greatly improve the scope of this -already fantastic- tool CCleaner.
Thanks for considering it. Happy to answer any questions.