A free program for Android, by Hồng Hà Game.

Đại Tần Chiến Quốc is a real-time strategy mobile game developed by Hong Ha Game. It is the most realistic and complete game of its kind. The game has a beautiful art style and a unique gameplay experience. The gameplay is based on the historical events that took place in China during the Spring and Autumn period. 

This is a period that is more than 500 years prior to the founding of the Three Kingdoms. During this period, there were many warring states, and the country was in a chaotic period of time. The player will be responsible for dispatching generals. They will have to plan and develop their strategy in order to win the battle.