If you own a 3DS and want to elevate your entertainment experience, the 3D movie viewer feature is a great option. Here's how to use it:

1. Select the Movie: First, you need to have a 3D movie in the correct file format (most commonly .avi or .mp4). Once you have the movie file, transfer it to your 3DS using a compatible SD card.

2. Access the SD Card: Insert the SD card into your 3DS and power it on. Navigate to the option for viewing the contents of the SD card.

3. Locate the Movie: Once you're in the SD card menu, find the folder where you transferred the 3D movie file. Select the file to open it.

4. Adjust the 3D Depth: The 3DS allows you to adjust the 3D depth to suit your preferences. Use the slider to find the level of depth that provides the best viewing experience for you.

5. Enjoy the Movie: With the movie loaded and the 3D depth adjusted, sit back and enjoy the immersive experience of watching a movie in 3D on your 3DS. The effect can be stunning and greatly enhance your enjoyment of the film.

Keep in mind that not all 3D movies may be compatible with the 3DS, so it's a good idea to check the file format and any specific requirements before attempting to view a movie in 3D on your device.

Using the 3D movie viewer feature on your 3DS can add a new dimension to your entertainment options. Whether you're traveling, on-the-go, or just want to experience movies in a new way, the 3DS offers a unique platform for enjoying 3D content.

It's important to take breaks while using the 3D feature to avoid eye strain or discomfort. The 3DS has a feature that allows you to set a timer for reminders to take breaks, and it's recommended to use this function to ensure a safe and comfortable viewing experience.

In conclusion, with the 3D movie viewer feature on your 3DS, you can enjoy a unique and immersive entertainment experience. By following the steps outlined above, you'll be able to watch your favorite 3D movies on your 3DS and take your entertainment to the next level.