"In the last three or four minutes, Mika was huge - the warrior stepped up and must have had five or six offensive rebounds in that time.
"We had a big finish to win a one-point game. I felt we really took a grasp of the game and our leadership was fantastic."
If nothing else, this young side will now know about tight finishes - before leaving New Zealand, they also edged the touring Philippines by a solitary point in a practice game.
The Kiwis shot 8/18 from the arc, with veteran Casey Frank producing a balanced stat-line of two points, five assists and seven rebounds.
For the Cameroon, Mbah a Moute had 13 points, while shooter Christian Bayang led all scorers with 20 points.
New Zealand must now regroup for their encounter with the Mississauga Power All-Star team from Toronto, Canada at 10.30pm (NZT).
The eight-game tour of China is preparation for the FIBA Oceania Championship home-and-away series against Australia.
New Zealand 63 (Corey Webster 13, BJ Anthony 11) Cameroon 62