Most of which are webpages in a webview these days; mobile software is also much more skewed towards casual use due to device form factor. Here I'm focusing on more professional or even prosumer use cases.
> Also both iOS and Android have very interesting architecture features, still not widespread on desktop OSes.
Most of those are heavily favouring security at the expense of interoperability and user control. Not exactly the direction I'd like things to see heading on the desktop. Compared to laptops and PCs, mobile devices are essentially interactive TVs.