 The Tamagotchi 4U sold rather poorly due to the removal of the infrared sensor and the small amount of in-device content.The Tamagotchi 4U+ (たまごっちフォーユープラス Tamagotchi Fōyū Purasu) is a Tamagotchi virtual pet released on July 18, 2015, for a starting price of 5,980 yen (US$48).It is an upgrade of the Tamagotchi 4U with new characters and features.