Ticket.com.tw gave more infos about the Tour. Jolin hired a choreographer and a dance teacher for Myself World Tour.

Choreographer
Miguel Zarate
Danced and worked alongside Rihanna, Lady Gaga, Miley Cyrus, Ke$ha, Britney Spears, The PussyCat Dolls, Davy Havok of AFI, and Chelsea Handler

Dance teacher
Andre Fuentes
Choreographer for Britney from 1998 to 2008

And we have the tour sponsors too:

Volkswagen, YAMAHA CUXI, SKIN 79, 7-11, Head & Shoulders, China Life Insurance, CLOIE (watches), Hydron (contact lenses)