[App] Google Voice Catcher for MIUI (updated 3/12/2011)
If you're still interested, I just updated the app today: http://forum.xda-developers.com/showpost.php?p=11975105&postcount=1
[App] Google Voice Catcher for MIUI
I wrote an app here that might help you: http://forum.xda-developers.com/showthread.php?t=987096
Let me know if that helps!