With the recent announcement of the Verizon iPhone 4 there will be more than a few Blackberry users making the switch over to the Cupertino created phone. One thing they may be missing with the iPhone 4 is the physical keyboard. Well there’s an app for that, actually there is a case for that. Today’s review item from Think Geek is a case with a built in wireless Bluetooth keyboard that provides a tactile interface for the Apple iPhone.