Execution of a software product in an electronic device providing a war strategy game provides a rendering of a map including a landing area and enemy territory, a first set of selectable graphical objects including selectable troop transportation units, detection of a selection of a troop transportation unit and deployment point on the landing area; and execution of a rendering of the selected troop transportation unit to a free space on the landing area in proximity of the deployment point. A troop is moved from the selected troop transportation unit along a route towards the enemy territory. A second set of selectable graphical objects including flash fire devices is rendered. Selection of a flash fire device and fire point in the enemy territory is detected. Operation of the flash fire device on the fire point is executed and the troop is moved towards the fire point.