The Nintendo DSi uses the same title scheme and update servers as the Wii, but they introduced a new (currently unknown) common-key for the DSi title decryption.

The following "DSiWare" titles have been seen:

00030004: 484e474a ('HNGJ') (DSi Web Browser)
          4b41414a ('KAAJ')
          4b41444a ('KADJ')
          4b414d4a ('KAMJ') 
          4b44394a ('K9DJ')
          4b47554a ('KGUJ')
          4b4d394a ('KM9J')
          4b4d464a ('KMFJ') 
          4b4d534a ('KMSJ')
          4b4e444a ('KNDJ')
          4b4e524a ('KNRJ') 
          4b50364a ('KP6J')
          4b54504a ('KTPJ')
          4b55574a ('KUWJ')

The following "System" titles have been seen:

00030005: 484e494a ('HNIJ') (v256)
          48434a4a ('HNJJ') (v512)
          48434a45 ('HNJE') (v512)
          48434a50 ('HNJP') (v512)
          48434b4a ('HNKJ') (v256)
          48434b45 ('HNKE') (v256)
          48434b50 ('HNKP') (v256)
0003000f: 484e4c4a ('HNLJ') (v1, v2, v3)
          484e4c45 ('HNLE') (v3)
          484e4c50 ('HNLP') (v3)
          484e4341 ('HNCA') (v256)
00030015: 484e464a ('HNFJ') (v1024, v1280, v1536)-- apparently the "firmware"
          484e4645 ('HNFE') (v1536)
          484e4650 ('HNFP') (v1536)
00030017: 484e414a ('HNAJ') (v256)

As with on the Wii, the TMD for these titles may be fetched at e.g. http://nus.cdn.t.shop.nintendowifi.net/ccs/download/0003000f484e4c4a/tmd.

The official list is located here : http://www.nintendo.co.jp/ds/dsiware/titlelist.html

Each game specific url uses above 4 letter code.

Title database

Title ID Type Region Name Found by...
PGNH (484E4750) Application PAL Nintendo DSi Browser Duhow
HNGJ (484E474A) Application JAP Nintendo DSi Browser CashMan
KUWV (4B555756) Game ? WarioWare: Snapped remark
KUWJ (4B55574A) Game JAP Utsutsu! Made in Wario CashMan
KADJ (4B41444A) Game JAP Art Style : DECODE CashMan
KNRJ (4B4E524A) Game JAP Brain Training - Science version CashMan
KTPJ (4B54504A) Game JAP Asobi Taizen CashMan
KD9J (4B44394A) Game JAP Dr. Mario CashMan
KP6J (4B50364A) Game JAP Tori to Mame CashMan
KAMJ (4B414D4A) Game JAP Kami Hikouki CashMan
KMSJ (4B4D534A) Game JAP 3-tsu no Shuffle Game CashMan
KMFJ (4B4D464A) Game JAP Funny Face CashMan
KM9J (4B4D394A) Game JAP Osoroshii Suuji CashMan
KGUJ (4B47554A) Game JAP Ugoku Memo Chou CashMan