It is a little tedious having to move your mouse over many separate buttons so why not have a sensor that will know when and what key the player pressed.
Why not make your own keyboard using Buttons, use the Button.TouchUp, Button. TouchDown, Button.Click . See Button
One example How to make a keyboard using button
another:
I am talking about for computers
we need more context to understand what you are talking about .
perhaps you could implement a javascript in a WebViewer that detects the key pressed
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