After Open webOS porting on Samsung Galaxy Nexus in month of October last year, Today its seen ported on Nexus 7. Currently all features are not running successfully but WiFi and Browser is working perfectly. The team says the port took minimal effort, as the dev got it to run in a week over his winter break from college. You check out webOS Nexus 7:
The seven-inch Android-powered tablet built by ASUS from a partnership with Google was the premiere launch device for Android 4.1 Jelly Bean