Trump card is designed to help children who have weaknesses in phonological awaress and phoneme awareness, have trouble decoding letters and have poor listening comprehension.
Tilgangur námsefnisins er að styrkja börn sem samkvæmt einfalda lestrarlíkaninu (e. the Simple view of reading) eru talin vera með veikleika í hljóðkerfisvitund og/eða í málskilningi.