Kingdom Hearts Mobile (Japanese: キングダム ハーツ モバイル, Hepburn: Kingudamu Hātsu Mobairu) was an online community-based social gaming networking service developed by Square Enix for the NTT DoCoMo in partnership with Disney Mobile Japan.

It was launched on December 15, 2008 in Japan in conjunction with the video game Kingdom Hearts coded for mobile phones.

It consists of various mini-games as well as downloadable Kingdom Hearts related content such as ringtones and wallpapers.

[5] Outfits as well as backgrounds can be earned by players whenever they complete an episode of Kingdom Hearts coded.

[7] Each game is unique and contains its own unique gameplay such as Card Struggle being based on Spider Solitaire, Gummi Ship Studio on traditional color-based puzzle games, Rhythm Parade on popular music games which involves pressing a string of buttons based on what appears on-screen, and Balloon Glider on one of the mini-games in the 100 Acre Wood world of Kingdom Hearts Re:Chain of Memories.