The design of the stock Android navigation buttons has been left untouched by Google for a while now, but that could all change this year. The instantly recognizable triangle, circle, and square shapes aren't going anywhere, but they will be different if a new rumor turns out to be right. This reportedly comes from a source that has been reliable in the past, keep that in mind. It's basically revealed that the final version of Android N may in fact ship with the button design you can see in the image below. According to the aforementioned source, the Home button animates when...
Source: http://www.gsmarena.com/google_could_be_redesigning_the_navigation_buttons_for_android_n-news-19028.php
