Support app not in file system

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http://androidforums.com – Searched but found nothing similar on the forum. I downloaded an app and it works fine but when I use X-plore there is no sign of it in the files directory. It has provision for using the cloud to move files to the PC version but sometimes I am out of range and have no internet access. In these cases I would like to move the files by USB. Can't move what I can't find. (General)