TNsand is a free Android application developed by Engineer In Chief that allows lorry owners and the general public to book sand online. The app requires users to register their lorries on the TNsand system before making a booking. After successful registration, an OTP is generated for verification purposes. Once verified, users can generate an order for sand. With 30 hours of prior notice, users receive an email or SMS confirmation of their pickup date. The app allocates a specific date for each consumer to collect their sand from the quarries, thus avoiding long queues and saving time.

The app is a great solution for those who need sand for their construction projects and is compatible with Android 9.0. The registration process is simple, and the app's interface is easy to use. With TNsand, users can book sand from the comfort of their homes and avoid the hassle of waiting in long queues.