It's an ok game. There is no way to increase the amount of energy you can hold so it's either pay money or wait forever. It takes so long to get enough energy to complete tasks that I literally do not remember what is happening in the "story". Oh it's a cut scene for plot? That's nice, it means nothing to me because I don't remember what I was supposed to be doing. Although I will admit that the recent live action ads I've been seeing for the game are pretty funny.