Customized Keyboard Input Method (IME)

Hello, I have a personal project and my mission is to develop minor languages in the world, especially in Africa. this is my website ([login to view URL]). Using Visual studio, I already built this desktop program [login to view URL] Now, I want the app to be able to work in - any online textbox, (like email, facebook, messenger, even this text box I am writing in) - one online version will be hosted on a page of my website ([login to view URL]) - Cellphone and Tablet (android, iphone, ipad, tablet, etc...) - any offline textbox (like word, notepad, open office, etc...) - I also want an enhance version of the desktop application I have already built. To have idea on what I am asking, please refer to these videos [login to view URL] [login to view URL] I have attached a sample code for my special characters here, and will provide the full one after the contract have started NB. This is just one part among my many small small project. If this is successful, the developer will carry out my other projects similar to this.