Question [Q] (SYSTEM APP) Sound search widget for google play

Hello . I have samsung galaxy y with cyanogenmod 11 . I wanna have sound search widget (from android 4.2) but when i install it at system app and reboot, i dont see it in my widgets ? Why ? But when i have nova launcher the widget works fine...but in my main launcher (trebuchet) i doesnt seen my widget ...Please help me