There are two ways to install it. If you have an AT&T, T-Mobile, or Sprint versions of the Galaxy Note II, there is a zip file you can flash in recovery. If you have Verizon’s variant, you currently don’t have recovery because Verizon (once again) locked the bootloader. Because of this, you’ll have to do it manually. Sprint users may have to do it manually as well, as the /data partition is slightly different from the other three variants.
Initially, it was released for just the Verizon variant of the Note II. However, members with other variants have confirmed that it works for them as well. So if you’ve been looking for a way to get Google Wallet on your US Note II, this method seems to be your best bet. Some users are reporting minor issues. However, they seem to be alleviated by deleting something or reinstalling properly. It has also been reported that the S-Pen home screen will no longer pop up, or it’ll be empty if it does. Users may also have to visit this thread by XDA Recognized Developer ogdobber for further installation instructions.