The maker of the free-to-download game Smurfs' Village said the last thing they want "is to be misperceived as taking advantage of children."
Capcom, the parent company of games maker Beeline, said: "Since this issue has come to our attention we’ve added a number of features and messages to the game to help protect customers.
"If a customer purchases in-App content by accident, they may also request a refund.”
More top news
Australian businessman named as Alan Sugar's newest apprentice and winner of a £250,000 investment in his fledgling company.
The 270 victims of the Lockerbie bombing have been remembered today, 26 years to the day that they lost their lives in the air disaster.
Actress Billie Whitelaw, who starred in films including The Omen, has died aged 82.