Tetsuya Nomura said that the Kingdom Hearts 3 game was announced too early, creating a situation where fans are more anxious for the title's release date. 

Square Enix officials have announced the release of Kingdom Hearts Unchained X, a smartphone version of the series, which is said to tie into Kingdom Hearts 3.

The update has sparked rumors on gaming forums that the two games may share worlds.

YouTube user TheGamersJoint has released a new video discussing the possibility of Final Fantasycharacter Gilgamesh being included in Kingdom Hearts 3.

Watch the video here.

WatchMojo ranked "Toy Story" as the most wanted world for the upcoming Kingdom Hearts 3 game, leaving many gamers wondering if developers will include it in the release date version.

"The Jungle Book," "Darkwing Duck" and "Wall-E" were also included in the top ten list.

Details surrounding the release date of Kingdom Hearts 3 and its gameplay features are scheduled to be leaked at the upcoming E3 2015 conference.

"We have some interesting things planned. There will be Kingdom Hearts 3 news, and various things, I think. Development on Kingdom Hearts 3 is going smoothly, but there will also be new announcements connected to it, developer Tetsuya Nomura said, according to Design & Trend.

"As one of those new announcements, I think we should be able to announce a smartphone-specific development for the series in short order."