I updated the game. Among other things I added launcher which contain few strings that can be translated. I have translated them to Spanish with Google Translate, but it'll be nice if you check translation.
Done. There was a word that was not translated properly. I used Virtaal to open and edit the file so maybe it will have a bit of changes too.
Here is the version fixed: https://openload.co/f/bQCS1TlgYnA/launcher.es.mo