How to DSiWare for SD Card Manual Install
find an option to save the DSiWare game directly to the SD card from the DSi Shop.
Also, as dot_hack_freak mentioned above, from the "System Settings" > "Data Management" section you can copy downloaded games to and from the SD card. However, it does appear to work as expected:
I copied "AQUIA" to the SD card, and deleted it from the system memory (NOTE: Unlike on the Wii, a "Move" option is not present). After doing so, "AQUIA" does not show up in the main menu - even after a re-boot. I copied "AQUIA" back to the internal system memory, and the game is now back in the main menu.
Conclusion:
SD card support in the current DSi firmware (v1.3U) does not appear to be as fully implemented as it now is on the Wii.
[EDIT]
I took a few pictures and copied "AQUIA" back over to the SD card slot. I did not see any way to get audio recordings onto the SD card.
The directory structure on the SD card is as follows:
root/DCIM/100NIN02/
- Image files are stored here.
- Naming scheme: HNI_000#.JPG
root/private/ds/app/[random_8-digit_hexidecimal_number]/
- Purpose unknown
- One file contained:
pit.bin - 47 kb
root/private/ds/app/title/
- Purpose unknown
- Two files contained:
[random_8-digit_hexidecimal_number].bin - 11,580 kb
HNB_.lst - 2 kb
They're saved in .bin format on the SD card in
\private\ds\title, along with a single .lst file.
They're named along the lines of 4B4D394A.bin, 4B4D464A.bin etc. up to 484E474A.bin. The .lst file is HNB_.lst.
There's also a \private\ds\app folder, which contains a folder \484E494A, which contains pit.bin. Possibly browser settings?
It hasn't been modified in a few days, so nothing to do with DSiWare.
Also, when copying the browser and Moving Notebook over to the SD card, you get a warning that not all data may be transferable. No explanation given on this one.