Quickly write a game launcher for Windows, Linux and macOS with automatic pathing/update system

Dear As I am mobile game expert, have rich experience with game and app development using Unity If you are interested with my proposal, please let me know it. I hope to work with you on this project. Thanks.

How are you. I have read your job posting carefully and have fully understood what you want. In fact, I am an independent developer and I have rich experience in mobile app development for 9 years. Especially, I am very familiar with all fields of iOS and Android app development so that can complete this task perfectly. Also, With my 9 years of experience in mobile development, I can provide high-quality code, follow principles and best practices and I also have great team play experience. As a senior developer, I have strict principles and eyes on UI/UX implementation and always provide pixel-perfect UI. So when we work together, we have no any issues. Things what I can promise surely are high quality, on-time delivery, daily- communication & forever relationship for the update. Your project appeals to me very much, as it seems to offer an excellent opportunity for you and me with my background, training and good service. I will look forward to your response. Best regards.