First: please - employ some native speaker for translations. Polish
translation is awful at the moment.
Second: perhaps I missed someting but flying only around a few blocks
collecting coins is pretty boring. Dropping some down could be
relaxing for instance.
Third: personally I do not accept worlds with no lightmaps any more.
They normally look artificial and "flat". I do not like it.
Fourth: it is necessary to improve typing interface, so typos correction
is possible. Now it seems it is impossible to move cursor back
non-destructively. Only backspace seems to work, so if I need to correct
something I have in the beginning of a line to erase all the text.
Fifth: sky and ground should be a bit more interesting.
Overall opinion - your project has potential but its current incarnation
is not yet catching enough to gain wide attention.