Facebook Platform Policies and Promotions Policies

I am creating new app for facebook, ios and android. I am using facebook sdk for unity3d. I was reading the policy on facebook and confused in some terms. Please could you help me to understand these terms. First thing on this link https://developers.facebook.com/policy/#content

under III. Content

A. General
5. Permission from Facebook: You must not promote, or provide content referencing, facilitating, or containing online gambling, online real money games of skill or online lotteries without our written permission.

How can I get this permission?

Other question on this link. https://www.facebook.com/page_guidelines.php#promotionsguidelines

under E.Promotions
3. Promotions may be administered on Pages or within apps on Facebook. Personal Timelines must not be used to administer promotions (ex: “share on your Timeline to enter” or “share on your friend's Timeline to get additional entries” is not permitted).

What this mean to my app? May I asked user to invite friends and share game story on facebook wall to get extra point?

Thanks a lot