S-Voice from S4 working great here on my 3.4.12 English MIUI N7100 Note 2
http://forum.xda-developers.com/showthread.php?p=40143834
Also S-Translate from S4 working great...
http://forum.xda-developers.com/showthread.php?p=40003065
Flash zip from CWM
FYI for great onscreen multi tasking...