You will be interested in this NY Times article from 2004: https://www.nytimes.com/2004/05/09/magazine/chrome-shiny-lights-flashing-wheel-spinning-touch-screen

You will be interested in this NY Times article from 2004: https://www.nytimes.com/2004/05/09/magazine/chrome-shiny-lights-flashing-wheel-spinning-touch-screened-drew-carey.html https://www.nytimes.com/2004/05/09/magazine/chrome-shiny-lig... I suspect a lot of the techniques mentioned in the article made their way from slot machine design into mobile games.