thanks for the feedback !
i dont know where dose this sound came from :)
for the movement i did not notice that it is bad, thats my first platformer i made and when i test it ,it was fine for me but looks like most peopel did not like it , i will try to fix it
about the window size this it my first time i reales a game :) so i did not know that wont be the same as mine for the web ,
i will try to learn from these mistake and i hope i become better next time !
thank agine for the feedback :)