GuitarPaper, developed by a guitar teacher, is an excellent tool for teaching and learning. Specifically designed for guitar instructors and students, it is optimized for both iPhone and iPad devices. FEATURES: Real-Time Adjustments: - Key - Tuning - Scale - Chord Drawing: - iPhone: Supports finger drawing - iPad: Supports Apple Pencil. Does not support finger drawing - Mac: Does not support the drawing feature Custom Settings: - Customize guitar strings, fretboard, and marker colors Camera Access: - Access front and rear cameras to display the instructor's performance in real-time Slide Mode: - Instructors can browse screenshot notes in slide mode and use the laser pointer to highlight key points. This app can serve as a second screen or shared screen with Skype, Google Meet, Zoom, or OBS.