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There is a developer forum http://forum.11bitstudios.com/ where you can address all the issues you have. I hope that devs will try to solve most...
Please search youtube for walkthrough videos - there are several of them for PC version.
Not yet, but I'm quite sure they will do this soon.
I'd say iOS version is better. There's no commander in mobile version. For me this game is made for mobile devices. It also works fine on...