basically i have beaten the game and well if your stuck anywhere in the story ill help. im just catching legionaries right now, i just caught rayquaza i ended up using my master ball lol and something that i was amazed by is that i got a shiny diglett :O i was like OMG then caught it first shiny i ever gottt in soul silver lol. feel free to ask bout it/ what to do and i can trade the kyogre or groudon if you need it for rayquaza just remember to give it backk it took me a while to get them lol.
nah it aint in it which is stupid from wht my sources tell me anyway and i havent found it so im assuming it aint in it but apparantly the pokewalker is like the pokeradar, i dont know this since i dont have one lol