Q: Change country/region in app store

Hi,

Follow the instructions in this support article > Change your iTunes Store country or region - Apple Support

The Philippines is the country that you want to change to, and you are currently in the Philippines (you can't use a country's store if you aren't in the country) ? If you don't have a valid payment method for the country you could try contacting iTunes Support and see if there is anything that they can do, use the 'contact us' link at the bottom right of every page on here

Use this form for assistance with account and billing, code redemption, or purchase questions. ...

iTunes Store - Contact Us - Apple Support

https://www.apple.com/emea/support/itunes/contact.html