GFolio 2.0 was just approved and published on the App Store! The pre-update sale has ended, and the price has been returned to $3.99 USD / 2.99 EUR.
GFolio for the iPad is still in the works, and a lot more testing is still required before it can be submitted to the App Store.
http://itunes.apple.com/us/app/gfolio-google-finance-client/id341999606?mt=8