Hello, I can develop that keyboard for you. I understand the requirements. Being a professional developer with more than 5 year of development experience I assure professional development with unlimited revision if any required. I’ve more than 5 year experience in desktop application (VB.Net, Java, C#, C++ & ASP.Net, MSSQL, MySQL). Feel free to check my profile and rating. Looking forward to hear from you. Thanks & Regards