Skype has received a new update for Windows Phone 8.1 ((it works with Windows 10 Mobile as well). The latest update brings support for the animated Moji clips means you can spice up your conversations with these different type of animated features.
So if you want to add a animated flavor to your Skype chats, you can download the latest update to Skype for Windows Phone 8.1.
Thanks keshav for this tip!!!