the App Store. The game's description on the iTunes marketplace boasts an "iPad-optimized camera" and "impressive HD graphics," apparently remedying two of the biggest problems with the original, almost three-year-old DS version of the game. Man, it's practically a retro throwback at this point, isn't it?
You can relive Altair's Chronicles for $9.99, which is much, much more cost efficient than exploring the dude's history using an Animus. We haven't checked the latest Sharper Image catalog, but we're pretty sure those things are wicked expensive.