- android.permission.INTERNET
- android.permission.WRITE_EXTERNAL_STORAGE
- android.permission.GET_TASKS
- com.android.vending.BILLING
- android.permission.ACCESS_NETWORK_STATE
- android.permission.RECORD_AUDIO
- android.permission.READ_EXTERNAL_STORAGE
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1. New visual design and new experience
2. Add new games and lessons
3. Improve the ASR accuracy
4. Optimize review mode
5. Optimize award mechanism
6. Add new cartoons in Fun mode