DueLito
Juanma Altamirano
多邻国|高效学外语
Duolingo
dubbii: the body doubling app
ADHD Love
Phase 10: World Tour
Mattel163 Limited
游戏王 决斗连盟(Yu-Gi-Oh! Duel Links)
KONAMI
Microsoft To Do: Lists & Tasks
Microsoft Corporation
Babbel - Learn Languages
Babbel
博树 Busuu —日语、英语与多国语言学习神器
Busuu
Dollify
Dave XP