Cool implementation. Were you inspired by the Google 2-factor approach to log in to Goog websites that was pulled?

http://www.readwriteweb.com/archives/google_launches_qr_code...

As others said, I'd love to see an android version. However, before I use it for my important Web service accounts, I'd like the ability to encrypt my passwords both on the phone app and the browser plugin with a key known only to me so I don't have to trust your service with my cleartext passwords.