Messenger.apk named id com.facebook.orca can find in Communication size for Download 61.99 MB .
Some Short Info:
Instantly reach the people in your life—for free. Messenger is just like texting, but you don’t have to pay for every message (it works with your data plan).
Not just for Facebook friends: Message people in your phone book and just enter a phone number to add a new contact.
Group chats: Create groups for the people you message most. Name them, set group photos and keep them all in one place.