all android nostr apps need to support the selection of the signer app instead of just hardcoding amber
i vivecoded using codebuff to add it primal for my own use. won't raise any prs cause the code is probably very shitty, and i am not an kotlin dev so can't verify
https://blossom.primal.net/c1c252c9a1284f1e0d7f57e6787469dcdbdf9b58e3ba56d8c47cfb17c592eb9a.mp4