As can be expected (given that this app is free), this app is very limited and only a preview and shell of the full algebra potato version. What you get with the free version is a game with poor graphics and design that spits out example problems where you have to solve for x in a linear (and rarely quadratic) equation. The answer to each question is an integer greater than or equal to zero and less than or equal to nine. This app offers a decent amount of practice of solving linear and quadratic equations with immediate feedback, but it does little (if any) to build conceptual algebraic understanding.
Hot Potato Algebra
Common Core State Standards:
A Game that allows a user to accumulate points based on answering consecutive questions that involve solving for x in a linear or quadratic equation.