screenbase_unity_slideshow: As at end of 'Screens in the Wild' project - with slideshow versions comparison chart

A customisable, automatic image slideshow, primarily intended for use with a network of public-facing, urban screens (such as the 'Screens in the Wild' framework). Styled for portrait, touch-based display and available browser screen space of 745x1340. The 'Unity' version has one code base and uses URL parameters to customise the slideshow content.