The Play Store requires "Google Play Services" to function. If the Store still won't open, you may also need to manually install the final compatible version of Play Services (v23.30.99) . Why Support Ended for KitKat Google Play Store (Android 4.4+) APKs - APKMirror
: Usually "nodpi" or "universal" variants are most compatible with older hardware. Where to Find the APK google play store apk android 442 new
: Ensure you select a "nodpi" version or one that matches your device's architecture (typically armeabi-v7a for older phones). Install Google Play Services First The Play Store requires "Google Play Services" to function