To get the Play Store working on Android 4.4.2, you cannot use the standard version found on new phones. You must download the specific designed for API Level 19 (KitKat).
Since you are installing outside the official store, follow these steps to ensure a successful setup: Google Play Store (Android 4.4+) APKs - APKMirror Download Google Play Store Android 4.4 2
: The most stable final version for this OS is typically Version 33.0.17 . Download from APKMirror To get the Play Store working on Android 4