The Premium Guild Membership is something that a lot of players have been waiting for a long time. It is ready now!
With the Premium Guild Membership your guild will enjoy a list of advanced features that will improve your game experience. For example, you will be able to play private events (1vs1, 2vs2, Capture the Flag and Bomberman) in your Tournaments Arena, the guildmaster will be able to manage the guild in a more efficient way and you will get some new things as the Guild Vendor or the Guild Chest.
You can check the full feature list here: Premium Guild Membership Features.