This story is a sequel to Sunset’s Snowball Warfare

After a few months, Princess Twilight is curious on the phone she got from Sunset. She knows full well she can’t use it in Equestria so in order to use it properly, she goes to Sunset’s world to get some assistance from her human counterpart. Human Twilight takes her to a frozen yogurt bar where most of her science friends are at.

Thanks to Daniyel099 for editing this.
https://www.fimfiction.net/user/292246/Daniyel099