DSiWare Exports
The DSiWare exported from a 3DS is located at "sdmc:/Nintendo 3DS/<ID0>/<ID1>/Nintendo DSiWare". Filenames are same format as DSi: "<TitleID-Low>.bin". The keys/format for these files are completely different from DSi. A DSiWare export to SD card from 3DS is ~0x3bc bytes smaller than an export from DSi.