Abstract: Today’s Smartphones come with an advanced Operating Systems (OS), a swift processor, huge memory space, SD card /external memory card slot, USB, graphic accelerators and many other features to satisfy the needs of the 21st century user. In fact smartphones are portable and battery powered Personal Computers. The widespread adoption of mobile devices such as the smartphones has created tremendous opportunities for business, entertainment, science and technology, sports, stock market, etc. Many useful applications can be easily found in the smartphone and used immediately. The Operating Systems like Android and iOS provide platform for third party applications as well. Today almost all business/ companies/ firms have their own Android or iOS application which can be easily downloaded from the app store and easily installed into the smartphone. The third party application opens up the door to infinite possibilities and nourishes the user’s experience. In this paper we present to you the working of the Android application that we have built and discussed in our previous paper  “Android Application to Read and Record Data from Multiple Sensors”. We also present to you the user manual of the Android application. Embedded system life cycle is unravelled with a real time example.
Keywords: Smartphones advanced Operating Systems, Android, Embedded System life cycle, Personal Computers, third party applications.