Hey Pokedoc, had to register just so I could respond to your app.
First off, it works freaking EXCELLENT, once I got a decent FTP server running on my system. Great for checking IV's and backing up my saves.
Second, I've been using it for other games and it works very well; in case other people weren't aware.
Ever think of making a GUI for it? I roughed up an idea if you needed some source images:
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Edit: I'd actually implement something like this myself, but I've yet to get the toolchain working to learn ds programming.
Edit 2: List of games I've tested:
Pokemon Black (US) - Working
Animal Crossing: Wild World (US v.1.1) - Working