England 154 for 4 (Jones 53) beat Pakistan 125 (Maroof 65, Ecclestone 3-21) by 29 runs
Maroof was last woman out after making 60 from 58 balls, as Pakistan fell 29 runs short with eight balls unbowled. Sophie Ecclestone claimed a three-wicket haul, after Freya Davies had removed both Pakistan openers in the first over of the chase, as England produced a solid showing ahead of February's T20 World Cup.
Aside from Maroof, only Umaima Sohail and Sidra Nawaz managed to reach double-figures, with Sarah Glenn bowling tidily on T20I debut and Nat Sciver picking up 2 for 12.
"It's not an easy pitch to score quickly on, and I think the opening few overs are probably the best time to bat," Jones said. "Pakistan were disciplined with the ball and they didn't make it easy so I think we did well to get up to 160, but we perhaps would have liked a few more.
"The wickets in Australia at the World Cup won't be too similar to this but the important skill is adapting and hopefully adapting to these wickets will stand us in good stead for the World Cup."
Having been asked to bat, England lost Danni Wyatt inside the Powerplay before a partnership of 58 between Jones and Tammy Beaumont provided the platform. Jones was next out, having made 53 from 39, and Beaumont was unable to really get going, but Heather Knight hit three consecutive fours in Diana Baig's final over to lift England above 150.