Twitter Bootstrap: is a free collection of tools for creating websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, charts, navigation and other interface components, as well as optionalJavaScript extensions.
Android: is a Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Initially developed by Android, Inc., whom Google financially backed and later purchased in 2005, Android was unveiled in 2007 along with the founding of the Open Handset Alliance: a consortium of hardware,software, and telecommunication companies devoted to advancing open standards for mobile devices. The first Android-powered phone was sold in October 2008.
Linux: is a Unix-like computeroperating system assembled under the model of free and open source softwaredevelopment and distribution. The defining component of Linux is the Linux kernel, anoperating system kernel first released 5 October 1991 by Linus Torvalds.
source: Wikipedia
