I don't know if it would be possible to implement this but the idea is to have something that lets us save and re-use launch options in the menu.

As someone who is playing a lot with Proton it would be nice to be able to have a checkbox or dropdown menu (or anything that makes sense really) where you can save and select your most used launch options such as gamemoderun %command% or mangohud %command% instead of having to re-type it every single time.

Might also be cool to have the ability to have several presets or checkboxes witht the most used variables and be able to make them default for all games or something like that.

Thanks