This is another reminder that I need to finish up the changes I've begun on the Strategy Engine. It doesn't have quite enough settings to handle this exact game, which has a confusing combination of US and ENHC hole card rules.
The Wizard of Odds has a concise explanation, and a basic strategy chart available here:
http://www.wizardofodds.com/software/playtech.html
BTW, the Playtech game is 6 decks.