no
No, your DS does not need to be on in order to use the PokéWalker however your DS does need to be on in order to transfer a Pokémon into the PokéWalker.
No.
You cant because the DS, DS Lite, and DSI all use wireless connections. i know because i have one
you can use a r4 for ds lites but with dsi's there is a different type of r4 sorry i dont know the name of it
no
yes you can don't worry. you cannot use the ds lite charger on the ds.
yes
you cant use the 3DS charger for the DS/DS Lite, but you can use the 3DS charger for the DSi and the same with the DSi charger, you can use it for the 3DS.
No, the GBA part of a DS is unable to use the DS' wireless capabilities, even for games that supported the use of the GBA wireless adaptor.
In ds use the touch pad and in sp use A
YES!!! All DS EMU's can use action replay cheats
yes
yes you can use Nintendo ds games in a dsi
answer a chip? well for action replay on ds you need the ds version of action replay to use it.
No, you cannot use a DS as a controller for Wii.
Whats A Big Ds? If Its The Original(The First Ds) Yes You Can.