I think that you are asking if the forum works on a mobile phone? Yes, it does and it should be 100 percent responsive no matter what machine that you use….
However, certain parts of the forum such as the editor needs a bit more space than a standard mobile phone in portrait (vertical) position. (You might find that a part of the editor to the right hand side is missing.
Solution: Switch to scenery (horizontal) Make sure your phone is set to auto rotate….
Let me know if that works for you…