The gameplay is simple and easy to pick up. With your simple tap, your character will attack, and swiping will make your character dodge. There's a lot of stages to clear and boss levels to fight which makes this game interesting. Get a random ability out of 3 choices every time you upgrade.
Adding more skills might make this game more interesting. Also, adding free characters will attract other players to play this game. In my experience, you can only get new characters if you spend in the game.
Overall, the game is great and has potential. Gameplay is fun and simple.