  Android is a java based operating system which runs on the Linux kernel. It
is lightweight and full featured. Android applications are developed using Java
and can be ported to new platform easily thereby fostering huge number of
useful mobile applications. This paper describes about a SOS application being
developed and its successful implementation with tested results. The
application has target users those sections of the people who surprisingly
falls into a situation where instant communication of their whereabouts becomes
indispensable to be informed to certain authorized persons at remote end
