In the case of Ruby2D, MRuby is used to create a set of "build" functionality which allows us to deploy .exe applications on Windows (I've not used it on Linux or MacOS, although it could be compiled on there too). To give an example of MRuby, this guy used it to build a game...
https://download.gigabyte.com/FileList/Utility/mb_utility_windowsimagetool.zip Watch this video for how to use the tool if you need help. https://www.youtube.com/watch?time_continue=3&v=hiTV3hJAn5s&feature=emb_logo An Unexpected Error has...
https://download.gigabyte.com/FileList/Utility/mb_utility_windowsimagetool.zip Watch this video for how to use the tool if you need help. https://www.youtube.com/watch?time_continue=3&v=hiTV3hJAn5s&feature=emb_logo GIGABYTE 100 Series - ...