Simple serial port application

Project Title: Simple serial port application

Purpose:
- The purpose of this project is to develop a serial port application for communication with external devices.

Programming Language:
- The preferred programming language for this project is Java.(Android)

Graphical User Interface (GUI) Development:
- GUI development is not required for this project.

link attached to this project already source code and project file available. i need to add some buttons to application.
https://github.com/kai-morich/SimpleUsbTerminal

Ideal Skills and Experience:
- Strong proficiency in Java programming language.
- Experience in serial communication and working with external devices.
- Knowledge of serial port protocols and communication protocols.
- Familiarity with serial port libraries and APIs.
- Ability to develop efficient and reliable serial port applications.
- Good problem-solving skills and attention to detail.