In Japan, if Ryo buys a bag of potato chips he will get to participate in a store raffle and have a chance to win a prize, but the chances of winning are very low. He also will keep the bag of chips in his inventory, but it cannot be used for anything.
In Hong Kong, he will receive a random capsule toy. The chances of him receiving a rare one are very low. Unlike before, he will not keep the bag of chips.