http://www.nintendolife.com/news/201...il_2013_europe
Nintendo Letter Box (Nintendo, free) — A new version of Nintendo Letter Box will be available from 4th April; here are some of the new features:
- Take photos and record sounds you want to attach to your letters from within the software. You can still add them from the SD Card.
- Attach photos and sounds when you reply to letters.
- Choose a different ink colour for each page.
- Filter letters by sender in the letter list.
To download the update, visit Nintendo eShop. All data will be carried over to the updated version.