Jellyfin has https support built in, you just have to enable it in settings. I just made a self-signed cert with openssl and use that

not Foss, Google app warning, don’t shoot me

Google has an app called Reading Mode that you can trigger by holding both volume buttons. Works anywhere and has dictation, but the output isn’t as good as the Firefox one in my experience.

Personally, I just use it in a web browser for ad-hoc file uploads. If you’re looking for regular syncing though, supposedly rclone works. https://docs.s3drive.app/setup/providers/#usernamepassword-setup

I actually hadn’t noticed it’s not there for mobile, but there’s search in the desktop view of the website