Mobile app development is the act or process by which a mobile app is developed for mobile devices, such as personal
digital assistants, enterprise digital assistants or mobile phones. These applications can be pre-installed on phones during
manufacturing platforms, or delivered as web applications using server-side or client-side processing to provide an "application-like"
experience within a Web browser Application software developers also must consider a long array of screen sizes, hardware specifications,
and configurations because of intense competition in mobile software and changes within each of the platforms