1. No. It's on purpose. They will show in the thread
2. It's supposed to be text only
3. Install Amber and import your account there. Then go to Settings -> Login with external signer
Im unable to dind the app can you share a link or screen shot?
Please Login to reply.
https://github.com/greenart7c3/Amber/releases
It's also on nostr:npub10r8xl2njyepcw2zwv3a6dyufj4e4ajx86hz6v4ehu4gnpupxxp7stjt2p8