Please try to exit the game and login again.
If this operation doesn't fix the problem, click on the Options button (see the red arrows in the following image),
If this operation doesn't fix the problem, click on the Options button (see the red arrows in the following image),
click on the Support tab (see the red arrow in the following image) and click on the Delete Local Data button (blue arrow).
When reentering the game, you should see emoticons and gifts.