Success of chartbuster games proves how mobile games can be a wonderful source of revenue for many developers. However, to reach their destination these games need much more than a superior storyline, an engaging gameplay, and high-quality graphics. In short, it needs more elements than what you as a developer alone can provide; it needs channels to reach to its potential customers.
Most of the games, whose success stories may have inspired you, have started their journey from a small base of users, who liked the game, shared it with their fellow players and made the game a complete success. However, to reach that small base of users, who can make a mobile game a sensation in the gaming industry, is not a small achievement and that means it will require efforts.