- android.permission.ACCESS_NETWORK_STATE
- android.permission.INTERNET
- com.google.android.gms.permission.AD_ID
- android.permission.WAKE_LOCK
- android.permission.RECEIVE_BOOT_COMPLETED
- android.permission.FOREGROUND_SERVICE
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Around 22,000 words from beginner to expert course.
When you play games, you will become an expert in 4 character idioms !
1. Varying four-character idiom vocabulary by level (around 22,000 words)
2. Expect learning effects using various functions
3. Key Features
- Daily learning : word learning function once a day
- You can search even if you don't have an internet connection.
- Check function to collect difficult words and study them separately.