Tamil GK 2021 is a free app for all the students of Tamil Nadu Public Service Commission (TNPSC) and Tamil Nadu Police Selection Board (TNPSB) to help them prepare for their upcoming examinations. It provides multiple-choice questions with answers, and notes for the candidates to help them prepare for the examinations. It also provides them with the speed test to check their speed, and the learning option to help them learn while playing the game.

It contains all the important topics for the examinations, such as General Knowledge (GK), Current Affairs, and the history of the country. It also contains the study material for all the exams like SBI, SSC, IBPS, IAS, Bank PO, UPSC, RRB railway exam, gk in Tamil, etc.

The app also contains the review and result section, which helps the students to check their progress and get the results.