Hello Party Stars, You may have already found the new "Trial Card System" in the update on May 23rd. So what are these Trial Cards? You will be able to try out existing stickers, skins, KO effects and respawners by obtaining different Trial Cards, which means that you can check out items in Shop before without having to paying for them. >>>Directions for use of Trial Card<<< 1. Currently applicable to: sticker skills, skins, KO effects and respawners;