No. It’s a fan-made concept. The only official game is Naruto Shippuden: Ultimate Ninja Impact .
A: Only if the mod supports Ad-hoc. Most mods are single-player only.
Next, you'll need the game ISO file. Please be aware that downloading copyrighted material might be against the law in your country. If you own the game, you can find a download link for the ISO file from various gaming forums or websites (e.g., GameFAQs, Reddit, etc.).