Enjoy the new world of interactive fun as you play with photos, Sound, and Exciting downloadable content- Plus the entire Nintendo DS game library. With the Nintendo Dsi Sound application, you can record and play with your voice using the built-in microphone. Variety of fun filters, Play with your favorite AAC music files. A world of fun with sound awaits. With PictoChat, you can create drawings and text messages with your stylus to send to friends who are within range and also have a Nintendo DS series system via local wireless connection. Draw, Doodle, Share ideas or do anything else you can think of on the Nintendo DS touch screen.