This forum is simply not optimized for mobile applications, so it is not convenient to use it.
Although there are statistics that the proportion of users who use the Internet from mobile devices more and more. Therefore, the issues of optimizing the interface specifically for mobile users or the release of application versions for a mobile platform is a priority task.
Yes, its not even difficult to optimize, you just need to fix the HTML code, and then the site for the mobile version will work correctly