Mind Quiz - Your Brain Coach (U)
Fully Playable Perfect sound. Also everything else.
Harry Potter and the Goblet of Fire (U)
Fully Playable I don't know about sound. Everything else is perfect.
Harvest Moon DS (U)
Fully Playable With perfect sound..... everything else.
Age of Empires - The Age of Kings (U)
Fully Playable With perfect sound....everything else.
Big Brain Academy (U)
Fully Playable With perfect sound....With everything else.
Cooking Mama (U)
Fully Playable With perfect sound....+ everything else.
Pokemon Mystery Dungeon - Blue Rescue Team (U)
Fully PlayableWith perfect sound.....+ everything else.
Full Metal Alchemist - Dual Sympathy (U)
Fully PlayableWith perfect sound.....+ everything else.
Lunar Knights (U)
Fully Playable The sound is sort of messed up. Everything else is fine..
Pokemon Trozei (U)
Fully PlayableWith perfect sound.....+ everything else.
Bomberman (U)
Fully PlayableWith perfect sound.....+ everything else.
Mario & Luigi: Partners in Time (U)
Fully PlayableWith perfect sound.....+ everything else.
All of them have In game save support.
EDIT: Memulator91k would you edit your post and post down all the games that we listed in that first post. It will be a whole lot easier.