Is this not available? I'm pretty sure I have been able to format sd cards in all my phones back to the cupcake os. All I am able to do is unmount and thats it. Quite disappointed because my card went corrupt and I'm nowhere near a pc at the moment.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?