I found this one really works great on moto g below is the link.
it should work for all JB/KK devices. Follow instructions exactly and before installation backup ur ROM and then remove DSP Manager then flash ZIP files Through CWM OR TWRP. Good Luck
Go to DOWNLOAD (Version 2.0) :
Guys i found another mod to port sony xperia z2 walkman it is also working on moto g i tested my self better than xperia z1 walkman.
thanks to Rizal Lovins for his hard wok...
Screenshots of my moto g :