How do I make JB use my external sd card (/storage/extSdCard) I have a Samsung Note2 with 4.1.1 on it. I have what appears to be a virtual sd card called /storage/sdcard0. It uses phone memory. When I installed my new 32gb sdcard it was mounted as /storage/extSdCard.

The OS only seems to use sdcard0 for SD-like storage (like apps). I know this because SuperBox is reporting apps on my SDCard and they are really on sdcard0. The only way I can use my external card is if I tell some application to use it for storage.

Since sdcard0 is just eating up precious phone RAM is there a way I can safely convince JB to start using /storage/extSdCard instead?
If you're rooted, a simple, though kinda brute force, solution is simply to swap the mount points around.  Root External 2 Internal will do this automatically at boot for you.  This app is strictly intended for the GS3, but reviews report success with the Note 2 also.