Spanish language added and hint system in new version 1.33.41!
Thanks for Spanish translation: Oriol Pellejero, Irene Preuss, Beta García and Alexis Cosano Rodriguez (Steam description)
Hint system (youtube): https://www.youtube.com/watch?v=tKSSGwAyzRg
More info about update: https://steamcommunity.com/app/725780/discussions/0/1692659135912463350/