If CorelDRAW were installed on every phone and given same privileges, they’d use that. A new type of browser is like a social network – relatively easy to build one, insanely hard to get it adopted by everyone. The alternative is building for at least 4 different platforms, whose common denomination is usually either a non-barking dog or a vendor-locked monstrosity not even worth considering. And existing web browsers and committees are digging their heels in the status quo.