/SdCard/Android/Data not showing files via PC

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http://forum.xda-developers.com – I never noticed until now, but when connecting my S3 to my PC via MTP, it does not display all the files in the /SdCard/Android/Data folder. All other folders seem fine. I'm going to completely wipe / format the phone and there are a few things I want to backup (some games data etc.). I use Titanium Backup with the option to always backup external data, but I've found that it doesn't backup everything and then I have to re-download the data for some games. I've tried SDRescan from the Play Store, I've enabled hidden files etc, nothing works yet. Interesting that any files I manually copy (HowTos)