- No resolution enhancements, DS games are resized to fit in the screen resolution of the 3DS. On the bottom screen, they resize to fill the screen. On the top, it resizes to fill the vertical aspect, with black bars on the left and right.
- Some kind of blur filter is in effect. He thought it looked decent, and likened it to how PS1 games look when played on PS3.
- You can use the analog circle pad to control old DS games.. Though you can still opt for the traditional dpad as well, either way will work. Major news which may end up making games more comfortable for people's thumbs. Though it should be noted that DS games are still programmed for digital movement. They won't be able to utilize more sensitive movement or more than 8 directions like games programmed specifically for analog. This feature is aimed purely at comfort.
- No multitasking or ingame features while in DS mode (you can stop to browse the internet or do other multimedia entertainment while playing 3DS games).