Since this is an unofficial app, you won't find it on the Google Play Store. You must download it manually as an APK file. About supported operating systems | WhatsApp Help Center
Despite being an older version, GB WhatsApp v10.00 on Android 4.4.2 still provides: gb whatsapp apk download for android 4.4.2
Android 4.4.2 (KitKat) was released over a decade ago, and most modern apps now require Android 5.0 or higher. GB WhatsApp serves as a "bridge" because certain older versions of this modified APK were specifically built to be compatible with Android 4.4 KitKat . Key Features of GB WhatsApp: Since this is an unofficial app, you won't
Keep official WhatsApp running on an old phone but chat via WhatsApp Web on a modern PC or tablet. Since this is an unofficial app