There had only been a few report export destination options, e.g. Dropbox, Evernote, K9, Boxer. This logic has been replaced by the well known application chooser offered from the Android operating system. So from 1.5.9 onwards, you might save the report for example in Google Drive.
Please be aware, that I cannot test all applications, which - according to the operating system - are claiming to be capable of accepting the report files.
In addition there is also an option to open the files instead of sending/saving them.
Have fun.