ISSEN HERO is an action survival RPG developed by REBUILD GAMES, available for Android users. In this game, you have to defeat the dragon to progress further. The game offers a social system that includes automatic score ranking correspondence and the option to share high scores images. The game is available in Japanese and English languages, but the accuracy of the English version is significantly lower than the Japanese version. It is highly recommended to play the Japanese version for a better experience.

The game has a simple yet engaging gameplay that keeps the player hooked for hours. The graphics and sound effects are decent, and the game runs smoothly without any lags. The social system adds a competitive element to the game, making it more interesting. However, the accuracy of the English version is a major drawback, and it may affect the player's understanding of the game. Overall, ISSEN HERO is a fun game that is worth trying, especially if you can understand Japanese.