You don't have to wait for Android 4.2 to run updated core apps.
Google's recently announced LG Nexus 4 Android smartphone features a SlimPort that supports tethered display sharing.
Google's next official "Nexus" product is a new 4-inch smartphone being manufactured by LG.
It looks like Google is in fact planning to launch a smartphone with the same branding as its highly successful tablet.
As someone who still carries around an original Nexus smartphone, the long list of impressive N4 specs seems almost too good to be true.