Google has not had much to say about the Fuchsia OS, its new operating system currently under development, but little hints have popped up here and there — the latest clue is apparent support for Android Runtime. If Fuchsia OS gains Android app support, it could signal the unification of its Pixel hardware efforts under a single "Pixel OS" operating system.
https://www.notebookcheck.net/Google-s-mysterious-Fuchsia-OS-set-for-Android-app-support-could-signal-OS-unification-plans.301412.0.html