▷ You can use it after downloading [Download All Sound Sources]. (Gray bar right below the song of Tongseonggyeong)
For other usage, please refer to page 2 of [Settings]->[Help] of [Side Menu] that appears when you click the top left icon after running the app.
For other usage, please refer to page 2 of [Settings]->[Help] of [Side Menu] that appears when you click the top left icon after running the app.
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