The following is all of the content that can be downloaded for Kingdom Hearts Mobile.

Accessories

Hats

The King's Headband
  "Feels kingly."
Points: 300

Tools

Soul Eater
  "A soul-devouring Keyblade."
Points: 250
Sleeping Lion
  "A Keyblade of calm power."
Points: 250
Lionheart
  "A Keyblade borrowing Leon's power."
Points: 250
Shuriken B
  "A large shuriken."
Points: 250
Oblivion
  "A precious memory."
Points: 600
Oathkeeper
  "A promise that must be protected at all costs."
Points: 600
Larxene's Knives
  "Extremely sharp weapons for both hands."
Points: 400
Luxord's Cards
  "For natural-born gamblers."
Points: 400
Saïx's Claymore
  "For when you feel like going berserk."
Points: 400
Lexaeus's Axe Sword
  "For dignified direction."
Points: 400
Xaldin's Lances
  "These long weapons will up your coolness."
Points: 400
Xigbar's Arrowguns
  "Cool weapons for both hands."
Points: 500
Demyx's Sitar
  "For when you feel like playing music."
Points: 400
Marluxia's Scythe
  "For when you feel like showering in rose petals."
Points: 400
Zexion's Lexicon
  "For when you feel like hiding in illusions."
Points: 400
Vexen's Shield
  "For when you feel like skipping far away on ice."
Points: 400
Axel's Chakrams
  "For when you feel like dancing clad in fire."
Points: 500
Dark Riku's Keyblade
  "A design of a broken heart."
Points: 250
Herc's Shield
  "Proof of a champion."
Points: 220
Warhammer
  "A familiar hammer."
Points: 220
Mythril Shield
  "A familiar shield."
Points: 220
Lord Fortune
  "Proof of summoning magic."
Points: 220
Jungle King
  "Proof of a friend."
Points: 230
Metal Chocobo
  "Proof of defeating a powerful foe."
Points: 250
Dream Shield
  "Proof of the seven branches of magic."
Points: 250
Morning Star
  "A familiar staff."
Points: 250
Knight's Shield
  "The shield of the Captain of the Royal Knights."
Points: 220
Mage's Staff
  "The Royal Magician's staff."
Points: 220
Gunblade
  "Leon's weapon."
Points: 250
Shuriken A
  "An essential for Yuffie."
Points: 200
Tidus's Pole
  "You better not underestimate this pole!"
Points: 200
Selphie's Jump-rope
  "An old, long plaything."
Points: 200
Blitzball
  "Can you be top scorer?"
Points: 200
Buster Sword
  "A SOLDIER's pride."
Points: 600
Kingdom Key
  "Event: The Buds on the Tree of Magic and the Keyblade Hero is necessary."
Points: 600

Full-body Items

Mascot Suits

Dusk
  "For people who want to be a Nobody."
Points: 1000
Soldier
  "If you wear this, will you be a Heartless too?!"
Points: 1000
Shadow
  "Slip away into the darkness..."
Points: 1000
Organization XIII (Hooded)
  "A member of the mysterious Organization."
Points: 1000
Moogle
  "For when you want to be a full-body Moogle."
Points: 1000

Coordinated

[?]

Cloud B
  "A Cloud B costume. *Only if over Lv. 6"
Points: 8000
Onion Knight
  "An Onion Knight costume. *Only if over Lv. 5"
Points: 8000
Rebellion Army Soldier
  "A Rebellion Army Soldier costume. *Only if over Lv. 4"
Points: 8000
Knight of Chaos
  "A Knight of Chaos costume. *Only if over Lv. 4"
Points: 7000
Warrior of Light
  "A Warrior of Light costume. *Only if over Lv. 4"
Points: 8000
Sora Final Form
  "Sora's Final Form costume."
Points: 1200
Sora Master Form
  "Sora's Master Form costume."
Points: 1200
Sora Wisdom Form
  "Sora's Wisdom Form costume."
Points: 1200
Sora Valor Form
  "Sora's Valor Form costume."
Points: 1200
Kairi C
  "Coordinated with Kairi's uniform."
Points: 1200
King B
  "Costume of the King in KHII."
Points: 1400
Kairi B
  "Coordinated with KHII Kairi."
Points: 1200
Riku B
  "Coordinated with KHII Riku."
Points: 1200
Sora C
  "Coordinated with KHII Sora."
Points: 1200
Donald C
  "Coordinated with Donald as Royal Magician."
Points: 1100
Goofy C
  "Coordinated with Goofy as Captain of the Royal Knights."
Points: 1100
Queen Minnie
  "Coordinated with Queen Minnie."
Points: 1000
Daisy
  "Coordinated with Daisy."
Points: 1000
Large Body
  "It's colorful and large."
Points: 1000
Ansem
  "Coordinated with Ansem."
Points: 1200
Pete A
  "Coordinated with Pete."
Points: 1200
Goofy B
  "Coordinated with Goofy at Christmas."
Points: 1200
Donald B
  "Coordinated with Donald at Christmas."
Points: 1200
Sora B
  "Coordinated with Sora at Christmas."
Points: 1200
White Mushroom
  "A mushroom's entrance as an ally."
Points: 1000
King A
  "Coordinated with the King in KHI."
Points: 1400
Maleficent
  "For those wicked witchy moods."
Points: 1100
Goofy A
  "Coordinated with Goofy in KHI."
Points: 1200
Donald A
  "Coordinated with Donald in KHI."
Points: 1200
Kairi A
  "Coordinated with Kairi in KHI."
Points: 1200
Riku A
  "Coordinated with Riku in KHI."
Points: 1200
Sora A
  "Coordinated with Sora in KHI."
Points: 1200

Room Items

Pedestal
  ""
Points: 150