never mind.. I figured it out Select the 'select' button in the app on the right... this allows you to highlight more than one file
however that dont seem to be working because file manager is exiting after it copies one file, and returning to the home screen.
Yes, on the right of the screen (use right arrow keys), on top of the sliding window that appears, you must select "Choice", that enable a check box on the side of every file. Then you mark every file you want to copy. Then ...you know...