Google apps or Gapps don't come pre-installed on Cyanogenmod 12 and if you want to have CM12 based on Android 5.0 Lollipop and have the official Google Apps of Android 5.0 you will need to download Gapps Cyanogenmod 12.
Google Apps include Play store, Gmail, Maps, Google Backup Transport, Car Home, YouTube, Google Search, Google Voice Search, Google…
