Enscribi is a handwriting recognition input method for Linux. It's mainly developed for the Openmoko Freerunner smartphone. Though it's a stand-alone application, it can be used as the default keyboard in the Illume window manager. Now it supports Janpaness and Chinese and other languages. You can get more information on following link:
opkg install http://www.opkg.org/packages/zinnia_0.02_armv4t.ipk opkg install http://www.opkg.org/packages/zinnia-tomoe-zh_0.6.0-20080911_armv4t.ipk opkg install http://www.opkg.org/packages/enscribi_0.1_armv4t.ipk
goto "setup" --> "keyboard" --> "enscribi"
then you get a Chinese input method.