Mario Tennis Open
- A 3D trailer has been released in the eShop

Kid Icarus Uprising
- There will be a partnership between Panini and Nintendo of Europe to spread the Kid Icarus cards

Heroes of Ruin
- To be released for the Nintendo 3DS on June 15th
- Voice chat included
- Free, daily DLC missions for a whole year

Pokemon Black/White Version 2
- To be released this autumn

Pokemon AR searcher
- European title to be announced
- Motion control shooter game that uses the AR technology to catch Pokemon with the 3DS Camera
- You can catch rare Pokemon as well
- Captured Pokemon can be transferred to Pokemon Black/White Version 2
- To be released this year

Pokedex 3D Pro
- A new version of the original Pokedex 3D
- European titles are under development
- This version contains all of the Pokemon released on all generations
- Many other new features to be announced later
- To be released this year

Epic Mickey: Power of Illusion


Kingdom Hearts: Dream Drop Distance
- To be released for the Nintendo 3DS on June 20th
- European footage

Theathrhythm Final Fantasy
- To be released this Summer

Rhythm Heaven Fever
- To be released on July 6th
- Features songs from the Japanese game as well

Nintendo 3DS Firmware update
- To be released on April 25th


New Super Mario Bros. 2
- To be released this August

Mario Kart 7
- Update data planned to be released in mid May
- Updates are required for playing online and will remove some unfair shortcuts in online play

Project Zero 2: Wii Edition
- It will have a special connection Spirit Camera: The Cursed Memorie
- It can unlock extra content for Spirit Camera: The Cursed Memorie if you look at the back of the manual for Project Zero 2: Wii Edition while playing the game
- More details here

Source: GoNintendo ( 1 , 2 , 3 )