Card Match lets your child (age 1+) play a game where the child should find the matching cards.
The game never ends and does not include any ads, links, buttons, in app purchases or other ways to exit the app or spend money. Its as safe as can be.
The game have intentionally been kept simple, thus there is no options to set or levels to select. There is no written text or number, neither any speak.
It is merely meant as casual entertainment and a way for your child to learn to use the ipad.
The audio and graphics are all friendly and casual.