With the theme of China, it is based on the popular names in Chinese culture and serves any five military generals under the rule. The Wild symbol is a Tiger banner that appears only on the 3 reels in the middle - it replaces all symbols except the scatter.
Scattered (looks like Chinese letters) is scattered in 3 or more fields of view required to trigger the Tiger General free game feature - there is no amount of free spins, as you will continue to spin until you collect 5 wilderness (wild Appears on all 5 reels of this function).