Final answer:
The purpose of the game is to entertain and help students study for computer science tests.
Step-by-step explanation:
The correct answer to this question is d. purpose.
When creating a match-3 mobile game to entertain and help students study for computer science tests, the game's purpose is to provide entertainment while also serving as a study tool for computer science concepts.
Some examples of the game's features and functionality could include different levels with increasing difficulty, power-ups or bonuses that help with studying, and the ability to track progress or provide feedback on the student's performance.