It got renamed to WebOS, and nowadays it runs in LG SmartTVs. There is also ChromeOS and its similar to WebOS and FirefoxOS and runs on low spec notebooks just

It got renamed to WebOS, and nowadays it runs in LG SmartTVs. There is also ChromeOS and its similar to WebOS and FirefoxOS and runs on low spec notebooks just fine. There is little performance difference between Android and FirefoxOS, for both you need at least 512MB RAM (memory), so that it works without lags.