RollSim is a simulation game for Android developed by mAh that focuses on the roll of heroes and talents in the Battle of Castles. The game allows you to cast talents and heroes with ease, and even provides the option to reborn them. This feature makes it easy to compare the characteristics of different characters.

The game is easy to navigate with a user-friendly interface. The graphics and sound effects are well-designed, creating an immersive experience for the player. RollSim offers a wide range of options for players to experiment with different combinations of heroes and talents.

Overall, RollSim is a quality simulator that provides a fun and engaging experience for Battle of Castles fans. It is also a great tool for players looking to compare the characteristics of different heroes and talents.