Hello
For your question about the Filipino language:

Betus の投稿を引用：

Valve adds new languages at their own discretion based on many factors that are unknown outside of the company. Unfortunately, our community of translators cannot influence their decisions in any way.

You can always try to send an email to this address translationserver@valvesoftware.com

If you have other questions don't hesitate, have a nice day.