Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Player 
     NumPad1: Invulnerable (Player Team)
     NumPad2: Unlimited Health (Player Team)
     NumPad3: Unlimited MP (Player Team)
     NumPad4: Full Teamwork Techniques Meter
     NumPad5: Unlimited Spell Charges
     NumPad6: Fast Spell Cooldown
     NumPad7: Unlimited Elemental Energy
     NumPad8: Unlimited Gil
     NumPad9: Fast XP Gain
     Multiply: Item Multiplier
     Add: Unlimited Gas
     Subtract: Unlimited Crafting Potion/Items and Magic Flask Slots
     Decimal: Unlimited AP
     Divide: Easy Fishing
     F1: Unlimited Chocobo Stamina
     F2: Unlimited Arminger
     F3: Unlimited Gladiolus Rage Meter
     F4: Fast Fill Gladiolus Valor Meter
     F5: Increase Player Team Speed
     F6: Decrease Player Team Speed
     F7: Set Normal Player Team Speed

# Enemy  
     F8: Easy Kills
     F9: Decrease Enemy Speed
     F10: Increase Enemy Speed
     F11: Freeze Enemies
     F12: Set Normal Enemy Speed

# Game  
     F13: Game Speed

Notes

More options are on the way.