This is something that I've been looking for... for a long time. It enables push (IMAP IDLE) for IMAP mail servers, like gmail. I know at least a few of you have been complaining about the lack of IMAP IDLE support in Pocket Outlook, and the lack of (quality/free etc.) third party apps that add this feature. Well, its finally arrived.
Heres the link:
http://forum.xda-developers.com/showthread.php?t=404515
Enjoy.