Do understand that you are basically asking someone else to put down many 100s of hours of work for free, and temper your expectations accordingly.
I honestly don’t think i have ever seen a port request come through.
But if you search the forum, it looks like it may already have been done.
Nowhere sells phones with SFOS unfortunately. (Well there is one individual, but not counting that).
…but supported phones surely ship to Indonesia too, being a globally connected country.