Enable landscape mode on Google Nexus 4 stock launcher? Do we really need that? I believe most of the people do not use Nexus 4 home screen in landscape mode. And usually use it in portrait mode. Anyway, here is a solution to enable it for those need landscape mode home screen.
How to enable landscape mode on Nexus 4 stock launcher?
Set Orientation is the free Android application that you need. It allows you to force Nexus 4 into any particular screen orientation. Supports all orientations like default, automatic, landscape, landscape (reverse), portrait and portrait (reverse). Interested? Get Set Orientation at Google Play Store here.