Pinch expansion code for expanding clue cards?

cocos2d-x C++
#1

Hello
I dont konw if this is correct section but I have this game with word cards with 6 clues on the card.
This card however is too small to read and so who can help with code to pinch expand thest word cards so the words can go larger to be read better?
Many thanks

#2

The whole card needs to go bige rwith the words by the way