https://showcase.funfair.ioThe demo works on mobile too (tested in chrome browser) so there's really good potential here for iOS/Android apps.
Yes, it is because they make use of the HTML5 and WebGL standards - no Flash is required.

This will enable them to reach the widest market possible. This in turn will lead to economies of scale and savings that can be passed onto players in the form of higher payouts. It is a win-win for everyone involved.