Boo Articulation Helper運行在iOS上。
| 授權： | Commercial |
| 加入日期： | 2024/04/29 |
| 發行者： | Thomas Ljungblad |
| Changelog: | Now Boo shows vocal fold movement during sounding of voiced consonants! Great for kids who needs to practice the difference between voiced and non-voiced consonants. Also some bug fixes and improvements. |
