That was over 8 years ago in 2013.
Today he is 14, and has starred in 17 movies in total, 14 since The Smurfs 2 was released.
In The Smurfs 2, I think Jacob Tremblay looks:
The Smurfs 2 scores 5.5 out of 10 on The Movie Database.
Jacob Tremblay's first acting role was as 'Blue Winslow' in The Smurfs 2, released in 2013 when he was 6.