You press the save button
To the game card.
There's a 'Save' button on the touchscreen menu, just select that to save your game.
Click new game at the menu
plaay the coin game and save up your coins
man who is mr.fuji
Press Select + Up + B on the Start Screen to erase all save data.
Technically,yes you can get Arceus in Pokemon Heartgold,but only by trading it to your Pokemon Heartgold game from Pokemon diamond,pearl or platinum.
Of couse, the game is not on the ds or dsi. It's a game card
In pokemon Heartgold
You need to mate the Pokemon with a Ditto.
you can go into any pokemon center and go up the stairs and there will be someone standing there you talk to them and save your game then you enter the union room and your friend does the same and you can trade
Use Action Replay. Or save before you bet a starter, and turn the game on and off 8000 times.