With the advent of smartphones, everything is available on a single screen. Within a short span, mobiles have become our constant companion and have given us a new comfort zone. There are over seven billion mobile users across the globe, and this number is increasing at an astonishing pace. Mobile phones have made our lives easy and have become a helping hand in our daily tasks. The users' dependence on mobile phones and their needs has given a new shape to the mobile industry. That’s why b...