I'm currently using my own Twentyeleven child theme and starting to look at mobile visitors. The built in Minileven theme works very well, until it comes to sidebars and widgets.
On mobile, I'm not liking all the widgets just stuff down the bottom. I'm also finding many of my widgets are less ideal for mobile (e.g. contain flash).
Is it possible to define a different set of sidebars and widgets that will be shown on Mobile? A set entirely independent to the main Twentyeleven sidebars. Or at least suggest a plugin that could achieve this.