No no, even pirated anime VCD/ DVD have the "tulan" sticker, and not all original distributors bother to get those pointless stickers. Unfortunately if the print quality of the box cover is good enough, the only way to verify it is to open the box and check its content.

• Instruction Booklet - Pirated ones are often very thin and missing a few pages, check the page number. And games published by Nintendo will always have its booklet printed in full colour.
  
• Health and Safety Precaution Guidelines - A must have in every DS games
  
• Gold connector for the game cartridge - Gold are resistant against oxidation which is ideal for electronic contact points
  
• Nintendo Power/ Club Nintendo leaflet - Contains serial number which can be used to redeem points on Nintendo's website, only for Nintendo published games.
  
• Various promotional leaflet/ poster - Optional