Calculords, from Ninja Crime, is out on iOS. It's an interestingly themed game with old-school flair and several different elements. The gameplay itself is set in outer space, and it runs in single-player mode. There are 200+ cards to collect, and cards are cast using number puzzles. Cards disappear after being used, and if all cards are cleared the coveted "Calculord Bonus" is awarded.
The whole adventure is presented as a battle for planetary expansion. Success in the card element advances units across the battlefield to overrun the the enemy's base. Thus, strategy is an important consideration, and potentially adds to the experiment.
Calculords is available for free on the App Store.