The pair featured in United's friendly defeat to Thailand's Singha All-Stars last week.
"Wilfried [Zaha] came on and was unlucky not to score, and Jesse [Lingard] got some shots off as well. It was good experience for these lads to come on the tour, play in front of big crowds and get that experience.
"All the players I mentioned, not just Wilfried, are tremendous prospects. They are all exciting and will gain experience from games like that," Giggs told PA Sport.