Android 6.0.1 was a key milestone in the transition toward Split APKs. Rather than a single massive APK containing resources for every screen density and CPU architecture, the Play Store began delivering "splits." For example, a device running Android 6.0.1 on an ARM64 architecture would download the base APK plus the ARM64 native library split, saving bandwidth and storage space.
APK stands for . It is the file format Android uses to distribute and install apps. The Google Play Store itself is just an app—and like any other app, it comes as an APK. android 601 play store apk
Before you begin, enable "Unknown Sources" on your Android 6.0.1 device: Android 6