An app is considered as a small software program that is generally used on mobile devices. At the earlier times, it has seen that the term app is fundamentally known for mobile and desktop applications but now it is referred to as a small set of instructions that can easily be downloaded at any time with internet access. Today there are more than thousands of apps used by millions of people on their smartphones. The apps are referred to as the general source of information and also for entertainment.#bit.ly/2N4WJPc #appidea