I can speak Chinese, I understand how WeChat works - or atleast I understand the fundamentals from reading about it. I don't have feet on the ground in China and will not be able to move there - I would be able to go to trade shows though.
I would have the time to build the relationships, but I don't have money to put behind it - at least not an enormous amount. I want to build an audience through video content -
the term objective would to release a game in China and have a following already there.
I notice that many of the giant apps do not allow foreign users to upload content, but some of the new ones seem more relaxed. One in particular Douyin has come up in conversation a lot.
Really, SEO means labelling your content so google understands what it is.
After that, it's all about links.