GSM Site is a mobile gaming platform offered through a free Android app, focused on online Matka games and a range of other casual games. Users can check live results and play games including Shridevi, Milan, Kalyan, Rajdhani, and Time Bazar. The platform also features card games, carrom, Mine Runner, Fruit Samurai, and fantasy sports, including football fantasy.

To use the app, players create an account with their name and phone number and complete phone verification. The Google Play listing describes the service as supporting in-app purchases and reports more than 40,000 downloads. Its updates have introduced additional Matka games, faster results, smoother gameplay, a redesigned interface for easier navigation, and bug fixes.

The listing says data is encrypted in transit and that the app may collect location, personal information, and other data; the developer reports that no data is shared with third parties. GSM Site presents its offering as an accessible, varied gaming experience for Android users, combining live results with multiple game formats