The apk don't find csv files in the phone

Hi all,
In my program I import 28 csv files from my computer. When I use the AI Companion the check the program on my phone, it functions well, but if a generate an apk file and install it on my phone I receive an error message as is not possible to find the csv files.
How can I solve this ???

Just guessing, but you probably have a file path issue...however: