Right just saw IGNS weekly release update today and this game was listed for 28th.
The Wild West US.
Featuring both 2D and 3D levels, The Wild West features many of the gritty adventures that marked the settling of the American west. The game lets players choose between two different animal characters with varying storylines. Successful completion of themed mini-games earns players additional weapons that can be used in the main Story Mode. A variety of challenging bosses between levels will test even the most skilled Touch Screen sharpshooters.
The game looks a little like Sunset Riders crossed with other games, it was announced a while back but nothing else was said since. Perhaps this will be released, perhaps not but IGN are getting more reliable with games that are out soon.
I have to be honest, though I'd love it to be great I reckon it won't be which is a shame as I'd love some western games on my DS.