Android Development 

Introduction – Android is a mobile operating system (OS) currently developed by Google, based on the Linux kernel and designed … OS family‎: ‎Unix-like‎ Latest release‎: ‎6.0 “Marshmallow” / October 5, 2015; 39 days ago‎ Developer‎: ‎Google; Open Handset Alliance‎ Initial release‎: ‎September 23, 2008; 7 years ago‎

iOS Development

Introduction– iOS 9 is the ninth release of the iOS mobile operating system designed by Apple Inc which is the successor to iOS 8.