Main function :
• Save, edit, load, and search wrong answer note
• wrong answer note list, calendar
• Adjust text size
• Change background color, line color, and text color
• Share CSV files
• Save PDF files
• Share text, share images, and save images
• Supports board background color and board style
• Board sharing support
• Supports drawing mode
• Support for saving and loading boards
• Supports 20 languages - Korean, English, German, Spanish, French, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Thai, Turkish, Vietnamese, Chinese (Simplified), Chinese (Traditional), Chinese (Hong Kong), Hindi, Arabic, Bengali
• Dark theme support - Provides a comfortable UI that is easy on the eyes
