In Kingdom Hearts 3D: Dream Drop Distance, Superjump is a Flowmotion ability and can be used when using Wall Kick on a surface. When activated, the user catapults into the air, and can chain Superjumps by Wall Kicking back onto a surface and using Superjump again.
In Kingdom Hearts III, Superjump is a mobility ability that costs 2 AP to equip and can be used while in Flowmotion. When activated, the user catapults high into the air. Once used, Superjump cannot be used again until the user lands back on the ground.