Google Play publisher Google
Compatibility
Google publishes the source code for Android through its "Android Open Source Project", allowing enthusiasts and developers to program and distribute their own modified versions of the operating system. However, not all these modified versions are compatible with apps developed for Google's official Android versions. The "Android Compatibility Program" serves to "define a baseline implementation of Android that is compatible with third-party apps written by developers". Only Android devices that comply with Google's compatibility requirements may install and access the Google Play Store application. As stated in a help page for the Android Open Source Project, "Devices that are "Android compatible" may participate in the Android ecosystem, including Android Market; devices that don't meet the compatibility requirements exist outside that ecosystem. In other words, the Android Compatibility Program is how we separate "Android compatible devices" from devices that merely run derivatives of the source code. We welcome all uses of the Android source code, but only Android compatible devices—as defined and tested by the Android Compatibility Program—may participate in the Android ecosystem."Since August 2019, all new and updated Google Play apps must have 64-bit binaries, with some exceptions. Since August 2021, Google Play will not serve apps that only have 32-bit binaries to devices compatible with 64-bit apps. This requirement does not apply to Android TV or Wear OS apps.
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