Over 15 years of work experience with Microsoft products, everything from business networks to software development.
Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.
And lots of other techs, there are to many to list properly. Feel free to send me an inquiry of your needs and I will get back to you with my experience and possible level of contribution.