The latest version 0.5.13.8931 Beta0422:
http://www.duokan.com/forum/thread-2208-1-2.html
new features:
1.add support to umd format,but just support fewer features
age up/page down,press home/back to go back to main menu.
fixed bugs:
2.fixed the reboot bug caused by some mobi format files
3.fixed the bug that music player can't be stop while under the repeat one music mode.
4.fixed the bug that Shortcuts Keys do not work in some cases.
5.fixed the bug that kindle crashes when go to the end of book if the autoflip option turned on
the download links:
http://u.115.com/file/f011a6d853