no it dose not save games data
you download cheat code editor from the r4 website find the game id search for codes put it on save it to your system folder on your r4 and your done.
Rename the game save back to what it was. If you cannot remember, save the old data to your computer, then make new save game data of said game and rename your old data to the new save data's name.
It does but you have to create a save file after you open the game
That depends on where the save file was located. If it was somewhere in your personal documents, it's possible that the save file still works
I don't think so. I'll go with no.
Nintendo DS save data is saved to the game card, not the console. For most games there is a button combination or menu selection to delete the save data. L+R+A+B+X+Y while the Nintendo logo is displayed will work for many Nintendo games. If you are using an R4 or other flashcart, you can simply delete the file [ROM filename].SAV
To get Midnight Club game save data working on your PS3, ensure that the save file is compatible with the PS3 version of the game. Check that the save file is stored in the correct directory on your PS3 (usually in the "Game Saved Data Utility" section). If the save data is from a different platform (like PS2), it won't work on the PS3. Lastly, try transferring the save data using a USB drive or from a PSN account if applicable.
It doesn't save data on the Wii. You save game data by using a GameCube memory card.
You need to update your r4's firmware.
It takes up 128 MB plus a tiny amount for your save game.
no cause u have paid for the r4 your self
It saves automatically. =)