Here is the full list of all 9 Pandarama: The Lost Toys achievements.
Hit 100 bonus clouds
Throw Panda 250 times
Throw Panda 100 times
Fly out of the stage
Throw Panda 50 times
Complete all the stages in Chapter 1
Get on all levels not less than 1 stars
Get on all levels not less than 2 stars
Get on all levels not less than 3 stars