I spent an unhealthy amount of time on this game when it came out.

It's actually pretty cool in terms of how much DC content they crammed in. They even made all new characters with unique animations and supers: like they took the time to design new models and animations.

One thing to note is that this game was pretty broken when it launched. They have the option for you to buy currency or packs, but when it launched you could just change the date on your phone and get an infinite money glitch. So you could just open infinite packs for anything you wanted. And they didn't fix it for the longest time too!
I don't play it anymore, but for what it was at the time it was fun, albeit simple.