Originally Posted by prezzz

Polish looks kind of cluttered, the large text could be easily shortened to BEZ KARTY KREDYTOWEJ! while keeping the same meaning of the sentence...

Also the smaller text ("To jest KROTKI TELEFON zeby uslyszec swoje HASLO") could be changed to much better "Wystarczy KROTKI TELEFON by otrzymac HASLO". Other than this, congrats on the idea