The reply button looks slightly different between mobile and desktop version.

Desktop version of reply button:

Mobile version of reply button:

When replying you can upload pictures using the upload button in the format bar:

• On a mobile, you may have to swipe the format bar to the left to see the file upload button.
• You can also just drag files into the editing window where you type.

When you're done submit the reply.

Desktop version of the submit button:

Mobile version of the submit button:

Desktop version of reply button:

Mobile version of reply button:

Press the link button in the format bar.

You will see the following text:

      [link text](link url)

Enter the text you want displayed between the square brackets:

      [Click here to go to Google](link url)

Enter the link address you want displayed between the curved brackets:

      [Click here to go to Google](https://www.google.com)

Once you submit your reply you will see a link like this:

Click here to go to Google