The main function:
Color
Basically support RGB colors. If you touch the color button in the main view, you can use it. Also, use the open source support color picker
2. Menu
Support 'new' 'save' 'load' 'export'
3. Pixel table
Supports a minimum of 20x20 matrices to a maximum of 50x50 matrices. I plan to support a maximum of 100x100 matrix.
4. Save and load function
Support local storage and loading.