microG is a open-source re-implementation of Google Play Services. It works on Android 4.2.2 but requires root and signature spoofing. It can dramatically improve battery life and privacy.
One of the biggest mistakes users make when trying to fix their store is downloading the "latest version" of the Google Play Store. This approach will almost certainly fail on Android 4.2.2. google play store for android 4.2.2 apk
This article is for educational purposes. Modifying system apps carries risk. The author and website are not responsible for bricked devices or data loss. Always back up your data first. microG is a open-source re-implementation of Google Play