Can not reply to posts with android tablet

I have a new Samsung tablet which uses the android program. I can post a "new discussion" but can't reply to an existing post. I have to go back to my old I-pad or PC to post a reply. Does anyone else have this issue on this site?
53 Super Wasp Coupe ready for restoration
53 Studebaker Coupe Custom
64 Champ pickup
Wellborn, Fl
53 Studebaker Coupe Custom
64 Champ pickup
Wellborn, Fl
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Hi Kerry,
Not being able to reply can be caused by any number of reasons and whilst we try as much as possible to make the site accessible to all sometimes there are things that are outside of our control.
I don't have a tablet running android so can't test the site out that way unfortunately however if you can give me some more detail then I can go take a look and see what might be the cause and , if possible, put a fix in place.
So a few questions /comments:
Can you give me a rough date / time when you tried to reply to a post
When you open an old discussion do you get the "Leave a comment" box displayed with the buttons to "Save Draft" and "Post Comment" at the bottom
Are you using the in-built browser on your tablet? From what I can see although the browser is considered quite good it's not as "feature-rich" as others so it's possible it might not be able to render some of our html
What version of the android o/s are you using? If it's above version 4.0 have you considered downloading Google Chrome
Have you considered / could you try downloading Firefox
If you can give more information I'll happily take a look. No guarantees of being able to solve your issue of course but I won't know until I try
I've tried it on the tablet using three different browsers, the one that came with it, Chrome and Firefox. Same results with all three. When I get the window "leave a comment", I click on the window and the little blue bulb makes a jump up and disappears, the box comes back down, I touch the screen on the box, the little blue bulb jumps back on and right back off . I have been trying off and on since I got the tablet back in December without success.
Save Draft and Post a Comment does show. I can post, just not "leave a comment".
The tablet has Andriod System WebView Version 46.0.2490.76 on it.
53 Studebaker Coupe Custom
64 Champ pickup
Wellborn, Fl
I'll do some digging around and see if I can turn anything up
when I click on your link using the tablet, I get --- using Chrome browser------
Mozilla/5.0 (Linux;Android5.1.1;SM-T870 Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Safari/537.36
Can't copy and paste so I went to PC and put this info in.
53 Studebaker Coupe Custom
64 Champ pickup
Wellborn, Fl