Download Demos on a Nintendo DS

http://www.gameplayfun.com
R4DS, R4i, R4 SDHC, Acekard 2i, CycloDS, DSTTi, M3DS, Supercard DS

Step
1(Download Nintendo Channel onto Wii.) In order to download Nintendo DS demos, you need to download the Nintendo Channel onto your Wii. To do this, go to the online Wii Shop Channel, then to Wii Channels, and then download the Nintendo Channel. Don't fret, this is free.

Step
2(Access DS Download Service.) Go to the Nintendo Channel. Click on the "To the Video List" button. Now, click on the blue "Find Titles for You" button at the top of the screen. All the way at the bottom is a button that reads "DS Download Service". Click on it.

Step
3(Select a game demo to download.) Now just select a Nintendo DS game to download. The DS demo will begin transmitting.

Step
4(Download the DS game onto system.) Turn on your Nintendo DS. Select the "DS Download Play" button on the Main Menu. Bring the DS within range of the Wii, and you should see an icon for the Nintendo DS demo. Select it, and then press the (A) button to download the game.

Step
5(Play the demo!) Once the download finished, you are free to play the demo! Remember, the demo is only stored temporarily. If you turn off your Nintendo DS, then you will have to download it again. Until then, enjoy!