Thanks for the very good alternative solution to WPML and the shitty qTranslate(it just make your posts become a mess with useless tags), I like it very much, but the frontend usability is not that great, not much people will find putting switch in widget area is a feasible way for good UX, especially almost 99% of theme never put a widget area on top of a page, i.e. in the navigation header place.
It will be nice to have a snippet for easy implementation and more styled switch ready to use(or to customize CSS for polylang), like the pay version of WPML(very nicely styled witcher that actually works, with flag and name display...) but I never WPML too much, it is a bit too overly complicated, especially on the setting, i.e. menu is a mess, I hate their complex way of managing thing, Polylang wins here.
I hope the future of polylang is a bright and shiny one, I love it, I hope the best for it.