The Google Play Store still works on Android 4.2, but only for apps that support API 17 and older billing libraries. To run two APKs side‑by‑side, give them distinct package names, enable “Unknown sources,” and install each via a file manager, ADB, or a trusted third‑party installer. Keep an eye on updates—only the Play‑Store‑listed app will auto‑update; the sideloaded one must be refreshed manually.
Running an older device with Android 4.2.2 (Jelly Bean) can be tricky as Google has officially phased out support for many services on older versions google play store android 4.2 2 apk
for devices running Android 4.1 or higher is generally considered to be Google Play Store 15.2.23-all [0] [PR] 250991211 Minimum OS: Android 4.1+ (API 16) Essential Companion: The Google Play Store still works on Android 4