Hello comrade developers! The new universal launcher uses lua scripts to handle games support. Here you can find a guide to write your own integration script, and a formal specification.
{
"manifest_version": "1",
"game": {
"name": "game-code-name",
"title": "Formal Game Name",
"developer": "Game Developer"
},
"script": {
"path": "integration.lua",
"version": "0.0.0",
"standard": "1"
}
}