I recently tried using a mouse and keyboard on mobile devices such as a phone, tablet and chromebook. It works surprisingly well, the only problem is that the mouse cursor doesn’t lock to the screen. I know it isn’t a device issue as other apps work with it. This feature would be really useful for those who uses it. I did some research and it seems easy to add, not sure though.
About the version on chromebook this is a minor issue but you can’t resize the window.