After introducing this operating system android very easy to use . nice look the icon are changed as per versions 5.0 lollipop, 6.0 M, 7.0 Nougat their interface and some features and icons are changed . it help for all the persons like example for android introduced by some one and undertaken google and now google was developing they gave lots apps category like social media, learning, banking, etc .but I love insider program of android developed by google.