Yes, but as I see this works as an isolated client.

Not impossible, but the idea of nostr:nprofile1qqszfrv3m6acxyqy4ghuega2n74rntkrfg9sp4pmse94vul56gnul8cppemhxue69uhkummn9ekx7mp0aljpdg is to take care only of the data transmission layer and let the uset to use its own nostr client/relay.