Android P beta 4 is now available for grabs for all Android application developers who want to make sure their apps are ready for the next major release of the Linux-based mobile operating system used by millions of people worldwide. This is also the last beta before the final release, so make sure you test your apps well. Android P Beta 4 is dubbed as a Release Candidate (RC) milestone and includes the final system behaviors along with the official Android P APIs (API level 28), which were available since the second beta release. It’s the last step in the development cycle of Android P and offers devs everything they need to wrap up their testing.