Please give us more details. What paper are you talking about? I unboxed mine almost two months ago and I do not remember any paper in front of the lens. I do not remember having to change a country code either.
For an app that is supposed to be user friendly and easy to use for beginners, the SeeStar app fails miserably. It is not a bad app, don't get me wrong, but the troubles you are encountering are typical and might seem insurmountable at first. Do not despair, there is help, both from the company and from users on this forum.