Minor grammatical corrections from a native English speaker on all of the discussed lines, if it's of any help:

Living in Queen Elizabeth's realm using old version (<2.8), are you? There is an workaround for the 2.8 version, but there is no guarantee it will work. Check out the <a href=http://en.wikipedia.org/wiki/Websites_blocked_in_the_United_Kingdom>Blacklist</a>.

Does the app work on Raspberry Pi/Chomebook/BeagleBone?
Currently the application is only compiled for Win/Linux32/Linux64/Mac but if you'd like to try it on ARM, go for it!

You are changing the site/repo more often than underwear, which one is the best place to start with?
Well yes, the app had difficult times, but the best place for the latest info yet is the <a href=http://webchat.freenode.net/?channels=popcorntime>IRC channel</a>.

I do not live in the UK so I'm not personally aware of the connection issues there, but I imagine the information and Q&A shouldn't be specific to that locale, but that's just a thought.