A: Only with root access. Use an app like Link2SD. Not recommended unless you know what you are doing.
Manually installing the Play Store APK on Android 4.2.2 is often necessary because: Play Store APK For Android 4.2.2 - Giftsandentertainment Android 4.2 2 Play Store Apk
If your daily workflow relies on banking apps, two-factor authentication, or sensitive work data, you should retire Android 4.2.2 devices. They no longer receive security patches for the kernel or system WebView, making them vulnerable to exploits like Stagefright. A: Only with root access
Android 4.2.2 devices often have limited internal storage. Ensure you have at least 150MB free. or sensitive work data