機能：
- 学習html
- 学習CSS
- 学習JS
- 例
- ウェブエディター
- 無料で広告なし
- Access permission to files has been removed
- Code auto completion feature improved
- Fixed a error in Android 13
- 4 new examples added to the Examples section
- Minor design changes
- Bug fixes and improvements
9Apps 4.9
