Replace "package.json" with this :
{
"name": "rmmz-game",
"main": "index.html",
"chromium-args": "--force-color-profile=srgb --user-data-dir=userdata",
"window": {
"title": "NTR Tales - Adventurer Corruption",
"width": 1280,
"height": 720,
"position": "center",
"icon": "icon/icon.png"
}
}