Two factor authentication option on they lightweight client would make me feel more safe when I use they wallet
2FA on a decentralized wallet? How would that work? Or is this a web wallet where they service controls your keys?
This is the web wallet.
If it's the one I'm thinking of... it's not a web service wallet where they keep your keys. It's just an app that runs locally in your browser. What's the URL?
https://www.stellar.org/account-viewer/#!/