International Journal of Computer Applications
At present there are many mobile phones operating systems available in the market but mobile phones with android OS (Operating System) have now become domestic product which was once extravagant product. The reason towards this change is attributed to its varied functionality, ease of use and utility. There are number of tasks performed on it like making call, sending or receiving SMS, music, billing, online shopping, online booking, playing games, web browsing, using different apps like WhatsApp, Facebook or Applock etc. Hence a large amount of user sensitive data is stored within the devices.