List for DSi exploits.
DSiWare exploits can't be copied to "internal memory" with DSi system update 1.4.2. To copy these DSiWare exploits to your DSi, you must be on 1.4.1 or below and have the game already. DSiWare exploits can't be used on 3DS.

Sudokuhax v1.1:
After launching Sudoku, press button A or touch screen at the Sudoku title screen, to execute the exploit and run /boot.nds.
Grtpwn:
After launching Guitar Rock Tour, scroll down and goto High-Scores->Drums->Easy. Then the exploit will execute and load /boot.nds.
Exidiahax:
After pressing button A or start at the two title screens, select the first save slot and press continue. The exploit will then execute loading /boot.nds.
Fieldrunhax:
Touch the 'Scores' button at the main menu, boot.nds will then be loaded.

Exploit	Game	Region	Title ID	System version	Available in DSi Shop
Sudokuhax	'Sudoku' by EA	USA	4B344445	1.4.1 and below	Patched
Sudokuhax	'Sudoku' by EA	EUR/AU	4B344456	1.4.1 and below	Patched
Grtpwn	'Guitar Rock Tour' by Gameloft	EUR/AU	4B475256	1.4.1 and below	Yes
Grtpwn	'Guitar Rock Tour' by Gameloft	USA	4B475245	1.4.1 and below	Yes
Exidiahax	'Legends of Exidia' by Gameloft	USA	4B4C4545	1.4.1 and below	Yes
Exidiahax	'Legends of Exidia' by Gameloft	EUR/AU	4B4C4556	1.4.1 and below	Yes
Exidiahax	'Legends of Exidia' by Gameloft	JP	4B4C454A	1.4.1 and below	Yes
Fieldrunhax	'Fieldrunners' by Subatomic Studios	USA	4B464445	1.4.1 and below	Yes
Fieldrunhax	'Fieldrunners' by Subatomic Studios	EUR/AU	4B464456	1.4.1 and below	Yes