Yes, you can switch to fullscreen if you install wmctrl (if I remember correctly, it is not in the repositories, but you can find a link for it in this post
http://talk.maemo.org/showthread.php...trl#post435617

From emacs you can then run the following shell command to get in and out of fulscreen mode:

(ofcourse you can create a keybinding for this if you wish to).