CTA Digital 3DSSPK Screen Protector Kit for 3DS CTA Digital 3DSSPK Screen Protector Kit for Nintendo 3DS. The Nintendo 3DS is the first of it's kind in handheld 3D gaming. To protect the screens and cameras on your 3DS from the wear and tear of everyday use, CTA Digital introduces the Screen Protector Kit for Nintendo 3DS. The protective plastic resist scratches, so you can enjoy the freedom of using your 3DS without damaging the screens. The peace of mind that your Nintendo 3DS is protected makes the Screen Protector Kit a must have product.