Google Play Store, Google Play Services, and Google Services Framework.

| App/Service | File Path in ZIP | Purpose | |-------------|------------------|---------| | Google Play Store | /system/app/Phonesky.apk | The primary app store | | Google Play Services | /system/priv-app/GmsCore.apk | Backend for sync and location | | Google Login Service | /system/app/GoogleLoginService.apk | Account authentication | | Google Services Framework | /system/framework/com.google.android.maps.jar | Maps and location API | | Gmail | /system/app/Gmail.apk | Email client | | YouTube | /system/app/YouTube.apk | Video streaming (legacy version) | | Google Calendar Sync | /system/app/CalendarGoogle.apk | Calendar synchronization | | Google Contacts Sync | /system/app/ContactsProvider.apk | Contact backup |

What follows is a concise, structured examination of a typical flashable GApps package for Android 4.1.1 (Jelly Bean), describing contents, purpose, installation considerations, and troubleshooting. I assume a common package layout used by custom-recovery flashable zips (e.g., ClockworkMod/TWRP) for that Android generation.

Android 4.1.1 Jelly Bean, released in mid-2012, introduced "Project Butter" to improve system smoothness. However, because Google's mobile services (GMS) are proprietary and closed-source, custom ROM developers (like the team) were legally prohibited from including them directly in their ROM files.

In recovery:

If you encounter any issues during or after the installation process, here are some common problems and their solutions: