The phrase "clever trick" means a smart or ingenious way to do something. It refers to a clever or sneaky strategy or method to achieve a goal or solve a problem. Full definition
The developer uses clever tricks like the ability to see every inch of the island in the distance as long as nothing is blocking your field of view. (thebuttonsmashers.com)
This quirky dining area is full of clever tricks for practical family living. (idealhome.co.uk)
Thankfully, it has one or two clever tricks up its sleeve, too. (toucharcade.com)