-Tap the "Leave" icon at the bottom left of your city screen.

-Select the "Magnifier" icon on the lower left side of the screen.

-Tap on a location that matches the type of resource you want to gather (e.g., Farm, Lumber Mill, Pile of Stone, or Mine) and choose its level.

-Tap the "Search" icon, and once the system highlights a spot, tap it and choose "Gather".

Note: The more troops dispatched, the more resources gathered.