No, Only On 3DS.
No, You can't get an American Bulldog but in the new version, you can get French Bulldogs
there is no such breed on nintendogs.
To unlock a Shih Tzu in Nintendogs + Cats: French Bulldog and Friends, you need to earn enough Trainer Points by completing various activities with your dogs, such as playing, training, and entering competitions. Once you accumulate 10,000 Trainer Points, the Shih Tzu will become available for adoption at the in-game kennel. Make sure to check regularly, as different breeds appear at different times.
no
You unlock it .
yes
On Walks, Finding Presents
You Don't Unlock Them, You Find Them.
You have to get 20,000 owner points to unlock it in the kennel
You need $800 to unlock a Shih Thu.
No.