First, thank you for comment.
Color picker, it runs normally, no errors.
Make sure your browser allows use cookies
"2. please hide author_information & author_statistics for mobile view, and scale down avatar size."
It is customizable, and I just provide the default theme. If you want to custom, will have a different package for you
"4. I can not switch back to linear thread view mode, don't know whether its mybb bug or theme problem."
I do not see this error on a theme, it is normal
Update V1.1: 9/15/2015
Fixed view mode "classic" as responsive
Edit few css, template
Color picker, it runs normally, no errors.
Make sure your browser allows use cookies
"2. please hide author_information & author_statistics for mobile view, and scale down avatar size."
It is customizable, and I just provide the default theme. If you want to custom, will have a different package for you
"4. I can not switch back to linear thread view mode, don't know whether its mybb bug or theme problem."
I do not see this error on a theme, it is normal
Update V1.1: 9/15/2015
Fixed view mode "classic" as responsive
Edit few css, template