"검강화하기" is a free Android game developed by CaffeineCK. In this simulation game, players are tasked with strengthening their sword. The objective is to challenge yourself and improve your sword's power.

To strengthen your sword, you will need to go through multiple levels. Each level requires a specific amount of resources, which can be obtained by completing challenges and tasks. As you progress, the cost to strengthen your sword increases, making it more challenging to reach higher levels.

Recently, the developer has fixed a bug that caused the game to display negative values when the player reached over 2.1 billion resources. This bug fix ensures a smoother gameplay experience.

Overall, "검강화하기" offers an engaging simulation experience for players who enjoy challenging themselves and improving their virtual weapons. It is a free game available on Android devices.