From CPRSoft Brother:
**** THIS GAME CONTAINS NO ADS***Your city are in a battle and within a tank, you have to defend the Eagle against the enemies from the ocean. They are transformed cuttlers, enormuous octopuses, Touch the big control button on the left and freely move it to direct the tank. The smaller one on the right serves as the firing button. Keep on firing and be a good guardian. Your mission will complete after 20 battles.