You have to get a job request with a reward saying "Friend Area". Or, if you're too impatient for that, you can enter this code in your "Wondermail" section of the starting menu (if it's not there, try advancing the game some more):
Note: this is an unusual code. The +? is Dragon Cave.
Description:
Help!
I'm famished...
Someone, help!
Client: Azumarill
Objective: Help me.
Place: Silent Chasm B7F
Difficulty: D
Reward: Mobile Scarf + ?
Wonder Mail:
H?2C 3Q0? ?RN7
T7?X 64S6 PJ?W
Curently, Pokemon Mystery Dungeon: Blue Rescue Team is out and available all around the world.
Defeat them while you're in their dungeon.
No
no!
No. Pidgey is unobtainable in Pokemon Mystery Dungeon Blue Rescue Team.
Skitty is in the dungeon Joyous Tower.
To obtain the Gold Rank in Pokemon Mystery Dungeon: Blue or Red Rescue Team, you must have a minimum of 1,500 Rescue Points.
you can't trade on Pokemon mystery dungeon OK
I don't think there is a Manaphy on Blue Rescue Team.
this may not be a good answer,but blue rescue is for ds lite
No Only Red & blue can rescue just like time & darkness & sky can rescue.
he's in western cave