Project G is an upcoming game by Nexon Red, a development studio under Nexon. They had recently listed a job posting to work on Project G for mobile. The game will be developed by the team that made Legion of Heroes, the 3D MMORPG that has over a million downloads on Google Play Store.
The upcoming game will be a 3D game for the mobile which will be powered with Unreal Engine 4. It seems that the game’s animated style is targeted in countries like Japan as a story-driven mobile RPG where players will collect a horde of characters and evolve them.