Kingdom Hearts turns 10 today in Japan. The Square/Disney RPG launched in Japan on PlayStation 2 on March 28, 2002, featuring a mix of both Disney and Final Fantasy characters. Following its release, it seen a second main sequel on PS2, plus multiple spin-offs on PSP and DS. The newest installment in the series, Dream Drop Distance, releases in the west for 3DS this coming summer. After that, the constantly-teased Kingdom Hearts III?