It consists of background services and libraries for use by mobile apps running on the device.

[8][9] The package's services include location tracking and geofencing, single sign-on account services, user health and fitness tracking, payment processing, integrated advertising, and security scanning.

Google Play Game Services[10] can be used by application developers to allow a competitive and social experience through the use of leaderboards, achievements, and multiplayer sessions.

[20][better source needed] Google Play Protect is a unification of Android security systems.

As of November, 2019, partners of the App Defense Alliance included ESET, Lookout and Zimperium.

[25][26] In October 2023, Google announced that Play Protect would scan sideloaded apps for malware at install time.

[19][28] The Android Open Source Project (AOSP) was announced in 2007, and functioned as the baseline system for all OEMs and firmware modifications such as CyanogenMod and LineageOS.