Install Android P If You're A Developer
Another reason we recommend installing the new Android P beta is if you're a developer.
As a release candidate, the Android P Developer Preview 5 (beta 4) contains all the final APIs and system behaviors developers will want for testing and preparation. IF you're working on updates or making an app, now you can test again the final API level 28.
Developer documentation for Android P testing is available at Google's Android Developers site.
Basically, you'll want your apps, games or services ready the day Android 9.0 P arrives, and this is the easiest way to get a head start.
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