First of all, Chen Ze-Shan, Warner's CEO, posted on Weibo not so long ago that they were done choosing demos (I think it was in the post where he said that he wanted to release her album in March 2012).
And a songwriter called Lee Wei Song wrote songs for Jolin's new album:
Translation (thanks to pommy from alan-international forum):
"I wrote new songs for you, so hope you will like it"
He already composed for her:
As you can see he only composed ballads for Jolin except for Show your love & Lucky Number.
Previous posts about the upcoming album: