You can try run my project: https://git.reya.su/reya/coop-mobile/src/branch/develop/
it is very basic app, didn't have much code for now, and it run on a my fork of nostr-sdk-ffi, but it almost same a...
I just took a quick look, and I think the problem is that the relays being added with NONE capabilites. This means they can't do anything (neither read nor write).
Unless you want to use specific capabilities, you can omit that argument in addRelay, so they will be added with the default capabilities (READ + WRITE).
Unless you want to use specific capabilities, you can omit that argument in addRelay, so they will be added with the default capabilities (READ + WRITE).