The MPSC Exam Preparation Book App by Happy Coding Club is designed to assist individuals preparing for various exams in Marathi, including State Services Examination, Police Sub Inspector Examination, Sales Tax Inspector Competitive Examination, and more. The app offers a collection of previous years' question papers for exams such as State Services, Police Sub-Inspector, and Forest Services. Additionally, users can access a multiple-choice question section with sets of 20 questions and a quiz section that simulates a mock test with a time limit.

Covering subjects like Economics, History, Geography, Basic Math, Marathi Grammar, and General Knowledge, the app also provides important notes related to these subjects. With helpful icons and graphics, the MPSC Exam Preparation Book App aims to be a valuable resource for those preparing for the MPSC written examination.