I guess this is a downside of the browsers. If I want to run ancient app (MS-DOS or even ZX Spectrum), there are plenty of well supported modern emulators. Bu

I guess this is a downside of the browsers. If I want to run ancient app (MS-DOS or even ZX Spectrum), there are plenty of well supported modern emulators. But a 5 year browser with feature removed for security reasons like Flash? That's much harder.