Private/ds/app/484E94*/pit.bin

File Header

8 : Magic
2 : Block-Size
2 : UNKNOWN : 1
2 : # folders (subtracted by 100, as the first is 100NIN0*) 
2 : # of Photos
2 : UNKNOWN : Always zeroes
2 : # of Frames
2 : CRC16 of whole file
2 : Offset to entries

It is known that if the offset to entries is pushed passed the end of the file, the system freezes, it is not known wether this is exploitable or not.

Each entry (16 bytes)

4 : Date 
8 : Zeroes
1 : Type (1: Frame, 3: Photo)
1 : UNKNOWN : 8 * n
1 : Sticker (0: None, 4: Star,  8: Clover, 12: Heart, 16: Frame)
1 : UNKNOWN : Always zero

Misc information

Photos are stored in:

• SD:\DCIM\100NIN01
• SD:\DCIM\100NIN02

Frames are stored in:

• SD:\private\ds\app\484E494A\DCIM\100NIN01
• SD:\private\ds\app\484E494A\DCIM\100NIN02