Mission Équitation : à la recherche du cheval d'or

Summary
You play as Manon (Lisa, US) who is apparently super gifted with horses. Take on various quests and train horses in different parts of the world.

Game Design
3D graphics. Some unique mechanics for special moves and even misbehaving horses. Seems to pride itself on it's "realistic" riding features, but also has horses standing around fully saddled in open stalls. Open world. No horse care.

Gameplay
You walk around and get quests from various persons.

Riding Mechanics
Mouse based. Scroll mouse wheel to change gait. Special moves require following a circle/pattern with the mouse or clicking/holding in the right spot.

Differences between Releases
The Nintendo DS release--