Download Google Now apk for Ice Cream Sandwich Devices, ported from Jelly Bean (How to Install guide)
Well now you will be able to enjoy full service as fully working Google Now has been ported with voice, for ARMv7 CPU based devices. All you require a rooted phone and ClockWorkMod Recovery (CWM) or Team Win Recovery Project (TWRP) to install the apk from recovery menu. You will need to make sure you have at least 60MB of free space on your /system partition for Offline/Online files and 30MB of free /system space for Online Only files.
You can find complete instructions on how to install by following the link to the source – thread on XDA.
Enjoy and don’t forget to comeback and let us know how it works. For more info visit xda.