First of all I hate this piece of shit game and what they've done to this beloved IP.
With that off my chest, 2 stars for the addictive gameplay, they really struck gold with that. That's it. The game came out 7 years ago and the UI hasn't been updated at all. The only"development" are the various characters they shit out every so often.
Speaking of characters, there are either unbalanced slops, or outdated mess. Some characters in the higher tiers are so broken you might as well go get groceries while they finish their combo. How do you get said op characters? Empty your wallet or pray to the morphin masters that you get something from the chests.