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• Added app display in other languages, including Traditional Chinese, Korean, Spanish, French, German, and Russian
• Added S1 voice broadcast in other languages, including Korean, Spanish, French, German, and Russian
• Added play note feature to enable the S1 to play piano notes through programing in the multimedia tag of Lab
• Added identified line info to enable the S1 to recognize multiply lines through programing in the smart tag of Lab
• Adapted to Android 9
• DSP file import is available
