Retroguru have released a new version of their homebrew game for the 3DS:

Xump - The Final Run is a simple multi-platform puzzler by Retroguru. Initially released by Psilocybin Development in 2005 the game has been improved in almost every aspect you can imagine. New graphics, new levels, new music, new options, new everything...

Xump Features

* Joystick, Joypad and Mouse Controls (all system depending)
* 9 chippy tracks for your audio pleasure
* 48 Levels
* Highscore-List
* Retro styled password system
* Hidden easter egg - find two more themes
* Hidden easter egg - find 32 classic levels

homepage --> http://www.retroguru.com/xump/

source