On this page of IGN's Hello Kitty Island Adventure guide, you'll learn more about My Sweet Piano, including what gifts to give her, friendship rewards, quests and more.

The next Sanrio Happy Meal toys at McDonald's will involve mascots like Hello Kitty dressing as TMNT characters.

If the conditions are just right, you might discover a new character paying the island a visit in Hello Kitty Island Adventure, one of them being My Melody 's Grandma.