At any time, as long as there's at least 1 Pokemon in the PC
thebestpokewalkerguideever.webs.com
The pokewalker. It's a pokewalker exclusive Pokemon
The Pokewalker.
You can't put a Pokemon in the pokewalker in Pokemon platinum, as the pokewalker was designed for only Pokemon Heartgold & Soulsilver.
You have to catch him in SoulSilver and trade it, or use your PokeWalker
Transfer it from the Pokewalker.
pokewalker route
Not in-game or in the PokeWalker.
No! The pokewalker works fine in soul silver.
You have to use the pokewalker to get magby and then evolve it into magmar at lv.30.
NO The Pokewalker was made especially and only for SoulSilver and HeartGold, so the only way you could walk a Pokemon from your Platinum game is if you traded that Pokemon to SoulSilver\HeartGold and then transfer it onto the Pokewalker
Yes you can if you have Mew in your Pokemon SoulSilver/HeartGold You can put Mew in the Pokewalker.
I think only the pokewalker :(