
Phonesky - Works as a store and allows users to acess the Play Store to download applications and update when necessary. It works as Google’s network location providing Wi-Fi and geolocations to the applications UnifiedNlp - UnifiedNlp refers to Unified Network Location Provider.
It does not contain bloatware and works on test emulators, real devices and virtual mobile infrastructure as free and open source
Service Core - Works as a library app and help to run apps that use Google-Play-Services or Google Maps Android API. As a slap for this insulting, Android modding community (XDA) developed micorG as a free open-source software replacement for Google's proprietary core libraries and applications. The mechanism warns developers silently, it is better looking at Android without touching it. Google uses its core apps as pre-installed apps and provides a number of libraries and API to prevent third-party apps installations. The intention of not releasing the core app is to locking the third-party apps installation. But now Google only releases the core of the operating system under the Android Open Source Project (AOSP) and most of the core apps are not released as a part of the Android Open Source Project.
In the beginning, Android was released as an open-source mobile operating system and source code was free to change and modify. But do you know that Android is on the way to become closed-source software? Have you ever noticed it? Google play service which was mentioned above is the best example for it.
As you already know, Android is always said to be the most popular open-source mobile operating system in the world.