I've done some experiment with dsiware and sd card .
First i've got an EU DSI but the cam code seems Japanese because i've found this folder:
HNIJ (484e494a) Nintendo DSi Camera JP
HNIP (484e4950) Nintendo DSi Camera EU
The file in it pit.bin looks like this : 0TIP00_1 , hex = 3054495030305F31B80B010000000000000000003D66180000000000
Then i saved one game at time and compared the file HNB_.lst .
HNGP (484e4750) Nintendo DSi Browser ,, HNB_.lst = PGNH , end = 0400000028A70000 4B484449 Foto Glitter ,, HNB_.lst = IDHKPGNH , end = 04000000EBD70000 4B475556 Flipnote Studio ,, HNB_.lst = VUGKIDHKPGNH , end = 04000000A5D80000 4B434456 Dizionario 6 in 1 ,, HNB_.lst = VDCKVUGKIDHKPGNH , end = 040000009E3F0000 Worterbuch 6 in 1 4B554E56 Uno ,, HNB_.lst = VDCKVUGKIDHKPGNHVNUK , end = 040000001FEE0000