In all of our Android devices we have see the common application is that Google play service.This app do a vital role in your mobile phones  that is that helps our mobile to use more features that given by Google to get full performance of the  Google products.Google has provides a many product for us that applicants are used by many of the people in the world..So Google play service provided many advantages.
When you deactive it you can experience some diffult in the device.