There are some MP3 files that I play frequently (they help me fall asleep). The bottom line is I need to download these files to my iPhone so they're stored there and then be able to play them directly from the phone. They're low quality bitrate, so iTunes refuses to upload them from my LAN. I'm often in places where I can't get an internet connection or I'm dealing with a rural connection that has super-limited bandwidth. (Try living with a 50GB bandwidth limit per month!)
With that in mind, I want to be able to download these files from my local media server to my iPhone and then use VLC to play these once they're on my phone.
If it matters, this is an older iPhone that no longer has a cell connection, but everything else works on it.