1) If I use landscape orientation as a default, I think it will not be comfortable for users and some views need scroll view in this case (Panel Main, Status, Language ..). How can I rotate the screen by code? Because users can use portrait and landscape. It is their wish. I think it is not good to force them to use landscape.
2) Can you please remove the installed version and install directly again from Google Play as a new? Sorry, I am getting your time.