Signing into your Google Account for Gmail and Drive.
Step 3 — download a trusted APK
Google Play Services is a system app that provides a set of APIs and services for Android apps to interact with Google's services, such as Google Maps, Google Drive, Google Play Games, and more. It also includes features like Google's proprietary software, such as Google Now, Google Search, and Google+. android 4.4 google play services apk
: Providing low-power location APIs and geofencing to help apps identify if a user is walking, running, or driving without draining the battery. Developer APIs : Enabling features like Street View Signing into your Google Account for Gmail and Drive
A long list of requests—location, SMS, contacts—relics of a time when apps asked for everything at once. The Finish: "App Installed." The Awakening such as Google Maps