If you had taken the time to read the announcements before thinking something is a scam, you would have your answer. In case you really want to know, instant payments is a "instant cryptocurrency payment process" (they use a tablet based system, conventional point of sale till and even between mobiles).

More  information can be found here: https://electroneum.com/2018/06/12/announcing-instant-payment-beta-vendor-application/ (there is also a video)