Pokémon GO is one of the latest augmented-reality mobile games which are described as location-based and free-to-play in the iOS and Android mobile devices. This game calls for players to catch, train and battle the Pokemon (virtual creatures) that appear on the screens of the device as if in real-life. This game makes use of the device’s camera and GPS function to create a virtual world in which the player has to travel to prescribed destinations on the map in order to collect different Pokémon characters.
After being launched in the beginning of July 2016, Pokémon GO soon became the top-selling smartphone app game, even surpassing the record previously held by Candy Crush Saga in the US. By 20th of July, the game was downloaded by more than 30 million users around the world and went on to be the most popular augmented-reality smartphone app.