I recently got a Samsung Galaxy Gio phone for my wife (for free) and I’ve been playing with it. It doesn’t have much space, so one thing I read talked about using part of the micro SD card as a Linux partition. The recommended tool was MiniTool Partition Wizard. I had never heard of it before, but the home edition is free for personal use, and it seems to be excellent. It is pretty rare these days that I need to partition anything, but when I do, it will be a handy tool to have.