if you mean "i don't want to carry my games with me, i want to play the from the ds memory": it's only possible with the DSi, and only with DSiware games.
if you mean "i want my save games to be stored on the ds so that if i buy a new copy, i still have my save games": sorry not possible.
if you mean "I'm playing a game on my ds, and i want to save it (on the game card) so i can turn my DS off" : It depends from game to game. Check the game's manual.
The save data is saved to the cartridge itself, not the DS.
No, gameboy color games do not even fit into the Gameboy Advanced cartridge slot in the Ds. Therefore, you cannot even save.
No, the DS cannot play Gameboy games.
yes they will
For downloading games to r4card on ds, you have to download roms and have to save it into a folder. After that you have to drag and drop the files in to your micro sd.
There should be a way to save your game. It might depend on what game. Some games just save by themselves. Most games you have to find a way.
Yes. Save game data is held on the cartridge.
Original GameBoy, GameBoy Color, no. Game Boy Advance games can be played with the original DS and DS Lite. The DSi removed the reader slot to save space.
I have just been lookin on the Nintendo website and you can play your DSiware games straight from the SD Card + you can copy DSiware game save files to your SD card. You can't however transfer your DS games to an SD card or transfer your DS game save files to your SD.
Sounds like a savegame manager like AR Max Duo or Gameshark/Xploder. You can copy saved games to and from a DS game cartridge and store them on PC.
Did you save both games? You have to save the DS game first, then quit out of it, then be sure to press A to turn off the DS, don't just shut it off.
Most games make you go to the start menu to save your progress.However,on this game you just have to turn your ds,dsi,wii,or PlayStation off.The game saves by itsef.I have the game so I know.Trust me,I do.
Nintendo DS game saves are stored on the game chip, not the console.