HelloTalk——和全球语伴无门槛练外语
HelloTalk Learn Languages App
HelloTalk English Talk场景化学英语口语
HelloTalk Limited
Hello - Talk, Chat & Meet
Hello Entertainment
Hello Talk - free video chat
hello, Inc.
Tandem语言交换:免费学习英语 韩语 西班牙语
Tripod Technology GmbH
K-Friends - Make Korean Friend
Kfriends
LingoDeer - Learn Languages
LingoDeer - Learn Languages Apps
朝鲜语:交互式对话 - 学习讲 -门语言
ATi Studios
HiNative - 语言学习
Lang-8, inc
学习韩语和韩文
Drops Languages