Click on the button in the bottom right corner of the note. For example you can remove some keyboards or create new ones. To try to improveyour typing speed you can use a virtual keyboard specially designed for LaTeX.
You cannot customise it and it cannot become transparent.
Also Free Virtual Keyboard allows people with mobility impairments to type data by using a pointing device. Free to use browser-based manipulatives. This application for windows gives users access to many mathematical symbols for use in communicating mathematical concept on the computer. Our ad-free Virtual Manipulatives are a great way to enhance at-home learning.