- In order to build up your army, you will need to collect the raw materials necessary to develop and build your war machines. - There are two types of resources, gold and oil. You will need to procure both in order to build your full complement of troops.- Select an unit and move with a click.- Select units with a drag by multi touches.- You first study building order in menu help.1. build warehouse which increases the strength of your army.2. build Ranger camp which can produces marines.3. build R&D center before you build War Plant. You can upgrade power in R&D Center.4. build War Plant which produces machines. 5. build Satellite. You can produce air machines.