Thanks for reply and that link :)
I made copy of my project before i open it in gb studio 3 so i can open that original project in gb studio 2 again.
And also many thanks for you made this program with many and many opotions to be creativa and in what i can make super games what i can play on my old gameboy. It alvays make me hapy work on game in your program :)
you did good work and thanks good you continue in it. Many thanks for everything.