OP if you’re gonna reference a news story from months ago you should probably link to the news story

https://techcrunch.com/2022/11/21/tumblr-to-add-support-for-activitypub-the-social-protocol-powering-mastodon-and-other-apps/

I like that the Android app is open source and available on F-Droid and that self hosting is an option, so I pay for premium so I don’t have to deal with the hassle of self hosting while I support the developer!