This is a pure beta version [not a single line of iLiad specific code].
Press the Menu Button for refreshing of screen.
You can't exit the program the normal way! 
Therefore please use the Esc key on a USB Keyboard to get the game's menu, then you can quit the program.

The USB Keyboard server you can find here:
http://www.mobileread.com/forums/showpost.php?p=63656&postcount=16

with kind regards,
yokos