The Cruiser Aurora is the Augmented Reality Mobile App which helps you to travel through time to 1917.
You could also shoot from battery of naval guns.
Aurora is a 1900 Russian protected cruiser, currently preserved as a museum ship in St. Petersburg. Aurora was built in St. Petersburg for service in the Pacific Far East. One of the first incidents, the naval-cannons shot, known as the signal to the Great October Revolution in Russia took place on the cruiser Aurora