Mobile applications look simple, easy and efficient, but they require a lot of knowledge, good thought processing, awesome designing and great logical skills for their development. Here you will go through some concepts, designs, codes and guidelines which may help you in the development of applications for Android, iOS, Blackberry and HTML5. Please note that we keep on evolving in mobility, so you may find some solutions here which were workable earlier but may not work with current mobile environment, don't beat me for that! Wired in ! -Shubhansh Shukla