Guider content should strive to always remain within the screen, while sill pointing to the desired selector.
Check out this screenshot: http://i.imgur.com/ugoblq4.png
I want the guider there to be positioned as it is, below the selector (rather than to the right), but I want it to stay within the screen.
+1. This bug prevents development of mobile responsive guided.
Guiders can also go off the screen vertically.