If you've done everything correctly after turning the cheats on in PPSSPP the mods should now work (certain areas may need to be reloaded if you enable the codes while in them, for example: if the codes are enabled in the Shop the Shop area might need to be reloaded for the codes to work)
Tokens Light Play: Glendale, English 1 In Stock Light Play: Glendale, English 1 In Stock Light Play: Glendale, English 1 In Stock Field Center Token: Ghost Sister & Spooky Dogwood (Alternate Art) (Duel Devastator) - Common - Unlimited Edition Yu-Gi-Oh
Such cards do not need to be protected by a card sleeve, as they can be easily replaced by purchasing a new set from the store
It is only faithful to the game's original theme of 'Beat with Synchro Summon'
The Shadows in Valhalla booster combines popular, previously released cards and incredible new cards for the Ninja, Entity, and Invoked themes, and marks the debut of Zigfried von Schroeders Valkyries