A very simple overview of the north and south sky hemisphere map with the Constellation and approximate graphical position of the planets and of The Sun and of The Moon without ZOOMING.
The Moon Info (the menu item) shows the date of phases of The Moon and the action of gravity on the human body. The strong gravity can cause problems to someone when he is sensitive to it.
You need Internet connection, only if You want to get help from the Wikipedia.
Install software and scroll the map as You needed.
To change of map use a MENU North Sky, South Sky.