Ok, what are implications for mobile app development? Let's take a look at a couple:
We've heard many times about 3G data plans limitations that force you to limit your app's size, well - it's completely different story when it's about Wifi connection at home which provides much higher speed and much-much greater data caps.
Mobile device battery preservation. No, I'm not suggesting to squeeze charge out of those devices battery like a juice out of a lemon but when a wall socket is in the same home with a mobile device user you are way less constrained in terms of utilizing mobile device Internet connectivity, screen brightness settings.
You can read the complete study here - Sandvine_Global_Internet_Phenomena_Report_1H_2013. pdf