Did some digging and found screenshots as well as a full description of the app on
THIS page:
ORIGINAL NINJAS: Explore the Nickelodeon Teenage Mutant Ninja Turtle universe with an All-New Original story. Battle your way through 7 chapters and over 70 stages to take on the baddest of bosses – Shredder, Kraang and more!
TURTLE POWER: Help Leonardo as he takes on the Kraang army to save his Ninja Turtle brothers and fellow mutants. Play alongside Leonardo in a 5 on 5 battle with your favorite TMNT characters.
MUTANT MAYHEM: Collect and level up over 30 TMNT characters! Train them to learn their super sweet moves and build your Turtle-rific team! Don’t forget to pack your freezer for Ice Cream Kitty!
SHRED ALERT: For the very first time, fight the Kraang as a Ninja Turtle friend… or FOE! Collect and play as Tiger Claw, Rocksteady, Bebop, and more. Create strategic teams and take on the Kraang!
FOOD FIGHT: Collect daily prizes and card packs to enhance your team!
WE RUN THIS TOWN: Fight against the Kraang in the Ninja Turtles’ favourite locations from the TV show, including Dimension X, the sewers and the classic New York rooftops!
Gentlemen, let’s save the world!
Seems to have a pretty wide selection of characters, given Pizza Face there.