In short, they made poor rip-offs of very good animated movies (most of the time Pixar movies) with crappy animation, absurd plots and terrible voice acting. And it's even a bit racist at times.

If you want an example, just take a loot at "What's Up ? Ballon to the rescue" (which is… vaguely inspired by "Up") :

They got the original voice of Ash Ketchum for this!