The game has a very unique mechanic. Although I didn't really knew what to do.
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Oh I'm so sorry the instructions weren't clearer. Your objetive is to go to the right and get the water hidrants, then cross the street in the right. When you are next to water or sunlight a button at the left of the screen pops up and you can harvest it.
Thanks for the feedback, glad you could enjoy the mechanic even if you got stuck!