Teoretic, diferenta intre ce ai tu pe telefon si 4.1 este de performanta legata de raspunsul interfetei la actiunile utilizatorului:
A quick glance at 4.1 — starting with the home screen — doesn't give you much indication that anything has changed, but a deeper look reveals a host of tweaks and new features. And one of its most important features is under the hood, away from view: "Project Butter." Google says that it set out to significantly improve Android's visual and touch performance with this version by triple-buffering graphics, locking all drawing to a 16-millisecond refresh time, and making a number of tweaks to the touch input subsystem. Since Android's launch, the platform has always seemed to lag iOS's touch responsiveness by a hair (particularly when scrolling) and these changes help close the gap.
.. de aici.