A Web App is simply a website optimised for mobile devices (phones/tablets) that look like a mobile Native App, using a Responsive Layout for providing an optimal experience for all mobile devices and orientations (landscape/portrait). A Responsive Layout = Fluid Layout (width %) + Flexible Image (width %) + Adaptive Layout (Breakpoints). I created many Web Apps for the event industry when I was working in Crystal Interactive but I cannot show them here due to copyrights. Here some examples of prototypes.
Web App with HTML and CSS
Web App with Jquery
Web App with Jquery Mobile
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