General App: Start a basic animation, Play a scenario passes as a parameter in the URL; Presentation mode with user interactive features

BounceIt: Animate 2 balls falling; For most of the initial scenarios, there is no gravity. Play a scenario passes as a parameter in the URL

General App: User input strip at the top; 1 or more panels, with possible; Possible persistent Local Control Panel

BounceIt: User input strip at the top; Left panel shows the main 2 dimensional plot y vs. x of motion being modeled, Right Panel displays one of many user selectable quantities to be plotted on a given axis; q vs p selection delivers context menu/dialog for right clicks on a given axis