Various offline and online Hanzi, Thousand Character Classic extended dictionary.
Memorize Hanzi every time you turn on your smartphone.

✔ The Importance of Hanzi
Why is Hanzi important?
Over 70% of Korean vocabulary consists of Hanzi-based words.
Learning Hanzi is highly effective for understanding and utilizing Korean vocabulary. The more advanced the words, the more they are derived from Hanzi, making it difficult to deeply understand the words without knowing Hanzi.
Additionally, studies show that students who study Hanzi have more than double the academic achievement compared to those who do not know Hanzi.
So, does just showing a lot of Hanzi lead to memorization? No!
Our brain is divided into the left and right hemispheres, each with different roles.
The left brain handles language, while the right brain processes images.
Lockscreen Hanzi is designed to efficiently engage both the left and right hemispheres of the brain.

✔ Lockscreen Memorization
Maximize Hanzi memorization by showing Hanzi on the lock screen every time the user turns on their phone.

✔ Quiz Alarm Memorization
Receive quiz alarm at your desired times, and memorize by solving quizzes. You can select word lists according to your desired level, and track your learning statistics.

✔ Provides Various Hanzi Word Lists
- Thousand Character Classic
- Hanzi Proficiency Test (levels 8 to Special Grade) (from Korean Language Society, Korean Hanzi Proficiency Test Association)
- Middle School Hanzi
- High School Hanzi
- Favorite Word Lists (view only the word lists you've bookmarked)

✔ Provides Basic Information about Hanzi
- Hanzi radicals
- Hanzi stroke count
- Hanzi pronunciation and meaning
- Toggle display/hide according to learning mode

✔ Provides Hanzi Origins
- Offers the etymology of Hanzi to help you easily understand and memorize how Hanzi were created.

✔ Provides Words Containing Hanzi
- Offers words and meanings containing the Hanzi, helping you understand how each Hanzi is used.

✔ Provides Hanzi Writing Practice Function
- Provides animation of Hanzi stroke order
- Offers a notebook feature to practice writing Hanzi

✔ Provides Hanzi Search Function through Various Inputs (Text, Handwriting)

Purpose of App Permissions Requested Before Installation
- READ_PHONE_STATE: Permission to stop the app from running to avoid interrupting phone calls.(optional)
- SYSTEM_ALERT_WINDOW: Permission to display Hanzi on the lock screen.(required)
- POST_NOTIFICATION: Permission to receive alarms related to app services.(optional)

Note: The sole purpose of this app is to help you memorize Hanzi on the lock screen.
Customer Service
E-Mail: support@wafour.com
Phone Number: 070-4336-1593