【Game Title】 "Happy Home Designer" is a game where players can freely customize house designs and interiors. It's fun to create your own wonderful space. 【Platform】 This game is exclusively for the Nintendo 3DS, playable on a portable device. You can easily enjoy it on the go. 【Model Number and Serial Number】 The model number is CTR-005, and the serial number is EDHJ750082. This confirms that it is an authentic product. - Game Title: Happy Home Designer - Platform: Nintendo 3DS - Model Number: CTR-005 - Serial Number: EDHJ750082 Thank you for viewing.