Andrea is a pupil at a high school in Budaörs. She has been studying Polish for two years (she will have to sit an exam soon).
The photo was spontaneous, made in the spur of a moment, when Andrea found out about the contest.
It makes strong references to the sporting culture, where painting the colours of a favourite club on your face during a competition is an outward sign of the bond between the players and their supporters. When national teams play, their supporters are often seen sporting national colours.
Congratulations and all the best in learning Polish!