A react native app for mqtt client using react native mqtt, for use on android and ios phones

You can use any open source react native mqtt modules. It should contain host, port, clean session, client id, subscribe topic, publish topic , connection , qos, keep alive. When the connection is successful, it should be possible to publish hex code, and receive and display subscribe topic messages. The connection between app and mqtt server must cater for TCP (SSL/TLS is false), one way SSL and 2 way SSL (TLS/SSL is true)with selection of ca file, client certificate file and client key file .