I did, thanks.
New topic on mobile
When composing a new post (creating a new topic, or replaying) the buttons on the toolbar doesn't respond (only the last two of them, the question mark and the poll).
Furthermore the tag icon is shown instead the smiley icon that is shown on PC layout.
Here's an screenshot (android 5.0.1 lollipop):
I checked the behaviour of the buttons in PC and it is ok.