I've been working on something similar (on and off) for some time too: http://seqrentry.net/

It's currently in the App Store review queue but I would be happy to provide a private build for those interested.

Works on any site, no plugins or backend/server modificatons required.

I'd be very interested in giving this a go when you have an android version ready, what is the best way to get my email address to you?

Unfortunately, I don't have an Android version ready at this time. I hope to have it ready in July. Sorry.

If you're still interested, mail me at [email protected] and I'll make sure you get a copy as soon as it's in a workable state.

Checkout http://qrauth.com (Disclaimer - it's my app)

web.airdroid.com does that. It is a tremendously useful addition in their case, because most of their users already have devices with a camera.

You created this account 30mins before to post this?

I didn't even notice the account was green. Trust me, I would have just posted at the top level, I have no need to create fake accounts.....

We are not the same person. I've lurked here for some time and never felt the need to comment before this one, hence the new account. I'm not sure why rpledge would even feel the need to create a fake account anyway, as he says his comment would have been fine in the top level.