This show may air on a proper T.V. Channel as it has trailers allready online.
LEGO® Friends- Trailer 1
LEGO® Friends- Trailer 2 (Longer Trailer)
Jacob is still a main character. And he's still not featured in a set. The summer sets are also featured.
If it is real it will either air on Disney Channel or Cartoon Network. Disney Channel here in Ireland(and U.K.) promote the theme like crazy.