The most capable and ergonomic interface device I have found is, after extensive configuration, the Steam Controller. For file management, web browsing and soci

The most capable and ergonomic interface device I have found is, after extensive configuration, the Steam Controller. For file management, web browsing and social media I don't really have to use a keyboard aside from typing, and in both modes my posture is symmetric. Transition to games is of course seamless. Sadly, it is no longer on the market but the community behind it expects a new model.